build(deps): bump peter-evans/create-pull-request from 6.1.0 to 7.0.0

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 6.1.0 to 7.0.0.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](https://github.com/peter-evans/create-pull-request/compare/c5a7806660adbe173f04e3e038b0ccdcd758773c...4320041ed380b20e97d388d56a7fb4f9b8c20e79)

---
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/docs-release.yml

@@ -57,7 +57,7 @@ jobs:
           VENDOR_MODULE: github.com/docker/buildx@${{ env.RELEASE_NAME }}
       -
         name: Create PR on docs repo
-        uses: peter-evans/create-pull-request@c5a7806660adbe173f04e3e038b0ccdcd758773c  # v6.1.0
+        uses: peter-evans/create-pull-request@4320041ed380b20e97d388d56a7fb4f9b8c20e79  # v7.0.0
         with:
           token: ${{ secrets.GHPAT_DOCS_DISPATCH }}
           push-to-fork: docker-tools-robot/docker.github.io