chore: allow gh/git CLI in Claude code review workflow

The code-review plugin needs Bash access to gh CLI for fetching PR
data and posting review comments. Without it, all 12 Bash calls are
denied and the review findings are silently dropped.

Author: ericgriffin

.github/workflows/claude-code-review.yml

@@ -35,6 +35,7 @@ jobs:
           plugins: 'code-review@claude-code-plugins'
           prompt: '/code-review:code-review ${{ github.repository }}/pull/${{ github.event.pull_request.number }}'
           show_full_output: true
+          claude_args: '--allowedTools "Bash(gh *)" "Bash(git *)"'
           # See https://github.com/anthropics/claude-code-action/blob/main/docs/usage.md
           # or https://code.claude.com/docs/en/cli-reference for available options