Bump actions/setup-go from 6 to 6.4.0 (#12)

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 6 to 6.4.0.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](actions/setup-go@v6...v6.4.0)

---
updated-dependencies:
- dependency-name: actions/setup-go
  dependency-version: 6.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/golangci-lint.yaml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: actions/setup-go@v6
+      - uses: actions/setup-go@v6.4.0
         with:
           go-version: "1.26.4"
       - name: golangci-lint