golangci-lint version should be consistent across CLI and [language](https://github.com/openfga/language) ### Current State: CLI: Uses golangci-lint-action v9.2.0 with version: latest in .github/workflows/main.yaml Language: Installs via Makefile with @latest in pkg/go/Makefile ### Desired State: Standardize on GitHub Actions - Both repos should use the same golangci-lint-action Pin to specific version - Replace version: latest with a pinned version (e.g., v2.10.1) Align config format - Update Language's pkg/go/.golangci.yaml to use version 2 format like CLI Acceptance Criteria: Both repos use golangci-lint-action same pinned version Both use version 2 config format CI passes in both repos