Bump actions/setup-go from 5 to 6 (#26)

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/pr-workflow.yaml

@@ -24,7 +24,7 @@ jobs:
         run: |
           git config --global url.'https://${{ secrets.GH_REPO_READ_TOKEN }}@github.com'.insteadOf 'https://github.com'
 
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@v6
         with:
           go-version: "^1.24"
           cache: false
@@ -52,7 +52,7 @@ jobs:
         run: |
           git config --global url.'https://${{ secrets.GH_REPO_READ_TOKEN }}@github.com'.insteadOf 'https://github.com'
 
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@v6
         with:
           go-version: "^1.24"