Bump golangci/golangci-lint-action from 8 to 9

Bumps [golangci/golangci-lint-action](https://github.com/golangci/golangci-lint-action) from 8 to 9.
- [Release notes](https://github.com/golangci/golangci-lint-action/releases)
- [Commits](https://github.com/golangci/golangci-lint-action/compare/v8...v9)

---
updated-dependencies:
- dependency-name: golangci/golangci-lint-action
  dependency-version: '9'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.25.4"
+          go-version: "1.25.5"
       - name: Cache Go modules
         uses: actions/cache@v4
         with:
@@ -51,9 +51,9 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.25.4"
+          go-version: "1.25.5"
       - name: Run golangci-lint
-        uses: golangci/golangci-lint-action@v8
+        uses: golangci/golangci-lint-action@v9
         with:
           version: latest
           args: --timeout=5m