Bump golangci/golangci-lint-action from 6.1.1 to 6.3.1

Bumps [golangci/golangci-lint-action](https://github.com/golangci/golangci-lint-action) from 6.1.1 to 6.3.1.
- [Release notes](https://github.com/golangci/golangci-lint-action/releases)
- [Commits](golangci/golangci-lint-action@971e284...2e78893)

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

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

.github/workflows/testbuild.yml

@@ -29,7 +29,7 @@ jobs:
         with:
           go-version: '1.22.1'
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@971e284b6050e8a5849b72094c50ab08da042db8 # v3
+        uses: golangci/golangci-lint-action@2e788936b09dd82dc280e845628a40d2ba6b204c # v3
   docker_build:
     name: Build Docker Image
     runs-on: ubuntu-latest