build(deps): bump Codium-ai/pr-agent in the actions-deps group

Bumps the actions-deps group with 1 update: [Codium-ai/pr-agent](https://github.com/codium-ai/pr-agent).


Updates `Codium-ai/pr-agent` from 0.24 to 0.26
- [Release notes](https://github.com/codium-ai/pr-agent/releases)
- [Changelog](https://github.com/Codium-ai/pr-agent/blob/main/CHANGELOG.md)
- [Commits](Codium-ai/pr-agent@v0.24...v0.26)

---
updated-dependencies:
- dependency-name: Codium-ai/pr-agent
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions-deps
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/pr-agent.yaml

@@ -22,7 +22,7 @@ jobs:
     steps:
       - name: PR Agent action step
         id: pragent
-        uses: Codium-ai/pr-agent@v0.24
+        uses: Codium-ai/pr-agent@v0.26
         env:
           OPENAI_KEY: ${{ secrets.OPENAI_KEY }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}