chore(deps): update actions/checkout action to v4 (#5)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/checkout](https://togithub.com/actions/checkout) | action |
major | `v3` -> `v4` |

---

### Release Notes

<details>
<summary>actions/checkout (actions/checkout)</summary>

###
[`v4`](https://togithub.com/actions/checkout/blob/HEAD/CHANGELOG.md#v400)

[Compare Source](https://togithub.com/actions/checkout/compare/v3...v4)

- [Support fetching without the --progress
option](https://togithub.com/actions/checkout/pull/1067)
-   [Update to node20](https://togithub.com/actions/checkout/pull/1436)

</details>

---

### Configuration

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---

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.github/workflows/codeql.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v2

.github/workflows/release.yml

@@ -13,7 +13,7 @@ jobs:
       new_release_published: ${{ steps.semantic.outputs.new_release_published }}
       new_release_version: ${{ steps.semantic.outputs.new_release_version }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Docker Buildx
         id: buildx
@@ -50,7 +50,7 @@ jobs:
       - release
     if: needs.release.outputs.new_release_published == 'true'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Google Cloud Credentials
         uses: google-github-actions/auth@v0

.github/workflows/test.yml

@@ -15,7 +15,7 @@ jobs:
     name: Lint API
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup .NET
         uses: actions/setup-dotnet@v3
         with:
@@ -38,7 +38,7 @@ jobs:
           - 5432:5432
         options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup .NET
         uses: actions/setup-dotnet@v3
         with: