Bump peter-evans/create-pull-request from 8.0.0 to 8.1.0 (#136)

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 8.0.0 to 8.1.0.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@98357b1...c0f553f)

---
updated-dependencies:
- dependency-name: peter-evans/create-pull-request
  dependency-version: 8.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/auto_update_bookstack.yaml

@@ -55,7 +55,7 @@ jobs:
         if: steps.get_release.outputs.new_version != steps.get_current.outputs.current_version
 
       - name: Create PR
-        uses: peter-evans/create-pull-request@98357b18bf14b5342f975ff684046ec3b2a07725 # v7
+        uses: peter-evans/create-pull-request@c0f553fe549906ede9cf27b5156039d195d2ece0 # v7
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           branch: "auto_update/${{ steps.get_release.outputs.new_version }}"