chore(deps): bump openai/codex-action in the actions-minor-patch group

Bumps the actions-minor-patch group with 1 update: [openai/codex-action](https://github.com/openai/codex-action).


Updates `openai/codex-action` from 1.11 to 1.12
- [Changelog](https://github.com/openai/codex-action/blob/main/CHANGELOG.md)
- [Commits](openai/codex-action@52fe01e...8636508)

---
updated-dependencies:
- dependency-name: openai/codex-action
  dependency-version: '1.12'
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions-minor-patch
...

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

Author: dependabot[bot]

.github/workflows/ai_pr_review.yml

@@ -515,7 +515,7 @@ jobs:
       - name: Run Codex
         id: run_codex
         if: steps.pr.outputs.is_fork == 'false'
-        uses: openai/codex-action@52fe01ec70a42f454c9d2ebd47598f9fd6893d56 # v1
+        uses: openai/codex-action@86365089eb2b84e0a8fb0717b304f8bdcb13b20e # v1
         with:
           openai-api-key: ${{ secrets.OPENAI_API_KEY }}
           prompt-file: .github/codex/prompts/pr_review_compiled.md