build(deps): 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@v5.0.2...v6.0.0)

---
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/pypi-dependencies.yml

@@ -41,7 +41,7 @@ jobs:
           mv pypi-dependencies.json build-aux/flatpak/pypi-dependencies.json
 
       - name: Create pull request
-        uses: peter-evans/create-pull-request@v5.0.2
+        uses: peter-evans/create-pull-request@v6.0.0
         with:
           author: "AdwCustomizer <AdwCustomizerTeam@proton.me>"
           title: "meta: update PyPI dependencies for Flatpak"