Bump peter-evans/create-pull-request from 5 to 6

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 5 to 6.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@v5...v6)

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

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

Author: dependabot[bot]

.github/workflows/update-year.yml

@@ -61,7 +61,7 @@ jobs:
       run: |
         find . -name 'pom.xml' | xargs sed -i 's/yyyy/'${{ github.event.inputs.aoc_year }}'/g'
     - name: Open Pull Request
-      uses: peter-evans/create-pull-request@v5
+      uses: peter-evans/create-pull-request@v6
       id: pull-request
       with:
         token: ${{ secrets.GITHUB_TOKEN }}