Bump Alfresco/alfresco-build-tools from 7.0.0 to 8.1.0 in /.github/actions/create-maintenance-branch (#249)

Bump Alfresco/alfresco-build-tools

Bumps [Alfresco/alfresco-build-tools](https://github.com/alfresco/alfresco-build-tools) from 7.0.0 to 8.1.0.
- [Release notes](https://github.com/alfresco/alfresco-build-tools/releases)
- [Commits](Alfresco/alfresco-build-tools@a4013b7...5cab7ba)

---
updated-dependencies:
- dependency-name: Alfresco/alfresco-build-tools
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/actions/create-maintenance-branch/action.yml

@@ -56,7 +56,7 @@ runs:
       run: |
         git checkout -b "$BRANCH"
 
-    - uses: Alfresco/alfresco-build-tools/.github/actions/setup-pysemver@a4013b7dfd8453ee94ec5d4eb8cb51d74654f770 # v7.0.0
+    - uses: Alfresco/alfresco-build-tools/.github/actions/setup-pysemver@5cab7bac9b94deb11087c3c39c8e412f6ecf1e00 # v8.1.0
     - name: Resolve maintenance version
       id: resolve-maintenance-version
       if: steps.check-branch-exists.outputs.result == 'false'