deps: update dependency go to v1.23.5 (#957)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [go](https://go.dev/)
([source](https://redirect.github.com/golang/go)) | toolchain | patch |
`1.23.4` -> `1.23.5` |

---

### Release Notes

<details>
<summary>golang/go (go)</summary>

###
[`v1.23.5`](https://redirect.github.com/golang/go/compare/go1.23.4...go1.23.5)

</details>

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go.mod

@@ -2,7 +2,7 @@ module github.com/hetznercloud/cli
 
 go 1.22
 
-toolchain go1.23.4
+toolchain go1.23.5
 
 require (
 	github.com/BurntSushi/toml v1.4.0

tools/go.mod

@@ -2,7 +2,7 @@ module tools
 
 go 1.22.0
 
-toolchain go1.23.4
+toolchain go1.23.5
 
 require (
 	github.com/anchore/quill v0.5.0