Bump actions/setup-go from 5 to 6 (#262)

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 5 to 6.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](actions/setup-go@v5...v6)

---
updated-dependencies:
- dependency-name: actions/setup-go
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/release.yaml

@@ -26,7 +26,7 @@ jobs:
         run: |
           echo "RELEASE_VERSION=$(date +v%Y.%-m.%-d)" >> $GITHUB_OUTPUT
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version-file: 'src/go.mod'
       - name: Cache Go modules

.github/workflows/tests.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Fetch all tags
         run: git fetch --force --tags
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version-file: 'src/go.mod'
           cache-dependency-path: |