COMP: Bump peter-evans/create-pull-request from 5.0.2 to 6.0.0

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 5.0.2 to 6.0.0.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@1534078...b1ddad2)

---
updated-dependencies:
- dependency-name: peter-evans/create-pull-request
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/update-slicer-certificate-bundle.yml

@@ -52,7 +52,7 @@ jobs:
 
       - name: Create Pull Request
         id: cpr
-        uses: peter-evans/create-pull-request@153407881ec5c347639a548ade7d8ad1d6740e38 # v5.0.2
+        uses: peter-evans/create-pull-request@b1ddad2c994a25fbc81a28b3ec0e368bb2021c50 # v6.0.0
         with:
           token: ${{ secrets.SLICERBOT_GITHUB_TOKEN }}
           commit-message: |