chore(deps): 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] <support@github.com>

.github/workflows/server-styling-update.yml

@@ -22,7 +22,7 @@ jobs:
           curl https://nextcloud.github.io/server/dist/icons.css --output icons.css
 
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v5
+        uses: peter-evans/create-pull-request@v6
         with:
           token: ${{ secrets.COMMAND_BOT_PAT }}
           commit-message: "chore(assets): Update styling from server"