Bump peter-evans/create-pull-request from 5 to 6 (#77)

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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/update-episodes.yml

@@ -44,7 +44,7 @@ jobs:
                 rsync -t -d --delete output/carpentries/*.md episodes
                 rsync -t -r --delete output/carpentries/code/ ./code
             - name: Create Pull Request
-              uses: peter-evans/create-pull-request@v5
+              uses: peter-evans/create-pull-request@v6
               with:
                 delete-branch: true
                 base: main