deps: update dependency go to v1.23.4 (#562)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [go](https://go.dev/)
([source](https://redirect.github.com/golang/go)) | toolchain | patch |
`1.23.3` -> `1.23.4` |

---

### Release Notes

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

###
[`v1.23.4`](https://redirect.github.com/golang/go/compare/go1.23.3...go1.23.4)

</details>

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go.mod

@@ -8,7 +8,7 @@ go 1.21
 
 // The toolchain version describes which Go version to use for testing, generating etc.
 // It should always be the newest version.
-toolchain go1.23.3
+toolchain go1.23.4
 
 require (
 	github.com/google/go-cmp v0.6.0

go.sum

@@ -35,8 +35,6 @@ github.com/prometheus/procfs v0.15.1 h1:YagwOFzUgYfKKHX6Dr+sHT7km/hxC76UB0leargg
 github.com/prometheus/procfs v0.15.1/go.mod h1:fB45yRUv8NstnjriLhBQLuOUt+WW4BsoGhij/e3PBqk=
 github.com/rogpeppe/go-internal v1.11.0 h1:cWPaGQEPrBb5/AsnsZesgZZ9yb1OQ+GOISoDNXVBh4M=
 github.com/rogpeppe/go-internal v1.11.0/go.mod h1:ddIwULY96R17DhadqLgMfk9H9tvdUzkipdSkR5nkCZA=
-github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
-github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/vburenin/ifacemaker v1.2.1 h1:3Vq8B/bfBgjWTkv+jDg4dVL1KHt3k1K4lO7XRxYA2sk=