ci: bump actions/setup-go from 4 to 5

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 4 to 5.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](https://github.com/actions/setup-go/compare/v4...v5)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/static.yaml

@@ -92,7 +92,7 @@ jobs:
       -
         uses: actions/checkout@v4
       -
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
           go-version: '1.21'
           cache-dependency-path: |

.github/workflows/tests.yaml

@@ -18,7 +18,7 @@ jobs:
       -
         uses: actions/checkout@v4
       -
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
           go-version: '1.21'
           cache-dependency-path: |