Bump golangci/golangci-lint-action from 6.4.0 to 6.5.0 (#474)

Bumps [golangci/golangci-lint-action](https://github.com/golangci/golangci-lint-action) from 6.4.0 to 6.5.0.
- [Release notes](https://github.com/golangci/golangci-lint-action/releases)
- [Commits](golangci/golangci-lint-action@0adbc47...2226d7c)

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

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -71,7 +71,7 @@ jobs:
           cache-dependency-path: backend/go.sum
           cache: false
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@0adbc47a5910e47adb692df88187ec8c73c76778 # v6.4.0
+        uses: golangci/golangci-lint-action@2226d7cb06a077cd73e56eedd38eecad18e5d837 # v6.5.0
         with:
           working-directory: backend
           version: v1.61.0