Rename bg-*-shade-light to bg-*-shade-lighter (#2466)

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## Self Checklist

- [x] I wrote a PR title in **English** and added an appropriate
**label** to the PR.
- [x] I wrote the commit message in **English** and to follow [**the
Conventional Commits
specification**](https://www.conventionalcommits.org/en/v1.0.0/).
- [x] I [added the
**changeset**](https://github.com/changesets/changesets/blob/main/docs/adding-a-changeset.md)
about the changes that needed to be released. (or didn't have to)
- [x] I wrote or updated **documentation** related to the changes. (or
didn't have to)
- [x] I wrote or updated **tests** related to the changes. (or didn't
have to)
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  - Windows: Chrome, Edge, (Optional) Firefox
  - macOS: Chrome, Edge, Safari, (Optional) Firefox

## Related Issue

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<!-- Fixes #0000 -->

## Summary

<!-- Please brief explanation of the changes made -->

- 토큰 이름을 변경합니다. 

## Details

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### Breaking change? (Yes/No)

<!-- If Yes, please describe the impact and migration path for users -->

- Yes

## References

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aware of -->

- [스레드
(internal)](https://desk.channel.io/root/groups/v2BezierRelease-364583/67203d26cd0c3abcf715)

.changeset/few-cars-explain.md

@@ -0,0 +1,5 @@
+---
+'@channel.io/bezier-tokens': patch
+---
+
+Rename `bg-${red}-shade-light` token to `bg-${red}-shade-lighter`.

packages/bezier-tokens/src/alpha/functional/dark-theme/color.json

@@ -406,7 +406,7 @@
           "value": "{color.blue.400}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-blue.600-40}",
           "type": "color"
         },
@@ -440,7 +440,7 @@
           "value": "{color.cobalt.400}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-cobalt.600-40}",
           "type": "color"
         },
@@ -474,7 +474,7 @@
           "value": "{color.red.400}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-red.600-40}",
           "type": "color"
         },
@@ -508,7 +508,7 @@
           "value": "{color.orange.400}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-orange.600-40}",
           "type": "color"
         },
@@ -542,7 +542,7 @@
           "value": "{color.green.400}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-green.600-40}",
           "type": "color"
         },
@@ -576,7 +576,7 @@
           "value": "{color.teal.400}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-teal.600-40}",
           "type": "color"
         },
@@ -610,7 +610,7 @@
           "value": "{color.olive.400}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-olive.600-40}",
           "type": "color"
         },
@@ -644,7 +644,7 @@
           "value": "{color.yellow.400}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-yellow.600-40}",
           "type": "color"
         },
@@ -678,7 +678,7 @@
           "value": "{color.pink.400}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-pink.600-40}",
           "type": "color"
         },
@@ -712,7 +712,7 @@
           "value": "{color.purple.400}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-purple.600-40}",
           "type": "color"
         },
@@ -746,7 +746,7 @@
           "value": "{color.navy.400}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-navy.600-40}",
           "type": "color"
         },

packages/bezier-tokens/src/alpha/functional/light-theme/color.json

@@ -406,7 +406,7 @@
           "value": "{color.blue.500}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-blue.400-20}",
           "type": "color"
         },
@@ -440,7 +440,7 @@
           "value": "{color.cobalt.500}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-cobalt.400-20}",
           "type": "color"
         },
@@ -474,7 +474,7 @@
           "value": "{color.red.500}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-red.400-20}",
           "type": "color"
         },
@@ -508,7 +508,7 @@
           "value": "{color.orange.500}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-orange.400-20}",
           "type": "color"
         },
@@ -542,7 +542,7 @@
           "value": "{color.green.500}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-green.400-20}",
           "type": "color"
         },
@@ -576,7 +576,7 @@
           "value": "{color.teal.500}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-teal.400-20}",
           "type": "color"
         },
@@ -610,7 +610,7 @@
           "value": "{color.olive.500}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-olive.400-20}",
           "type": "color"
         },
@@ -644,7 +644,7 @@
           "value": "{color.yellow.500}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-yellow.400-20}",
           "type": "color"
         },
@@ -678,7 +678,7 @@
           "value": "{color.pink.500}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-pink.400-20}",
           "type": "color"
         },
@@ -712,7 +712,7 @@
           "value": "{color.purple.500}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-purple.400-20}",
           "type": "color"
         },
@@ -746,7 +746,7 @@
           "value": "{color.navy.500}",
           "type": "color"
         },
-        "shade-light": {
+        "shade-lighter": {
           "value": "{color.shade-navy.400-20}",
           "type": "color"
         },