Bump golangci/golangci-lint-action from 8.0.0 to 9.1.0

Bumps [golangci/golangci-lint-action](https://github.com/golangci/golangci-lint-action) from 8.0.0 to 9.1.0.
- [Release notes](https://github.com/golangci/golangci-lint-action/releases)
- [Commits](golangci/golangci-lint-action@v8.0.0...v9.1.0)

---
updated-dependencies:
- dependency-name: golangci/golangci-lint-action
  dependency-version: 9.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/main.yml

@@ -15,7 +15,7 @@ jobs:
           go-version: 'stable'
       - run: go test -covermode=atomic -race -v ./...
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v8.0.0
+        uses: golangci/golangci-lint-action@v9.1.0
         with:
           args: --timeout=10m --verbose
       - run: go install ./cmd/vexllm