Bump actions/setup-python from 6 to 7 (#106)

Author: kennethshackleton

.github/workflows/publish-documentation.yml

@@ -26,7 +26,7 @@ jobs:
         with:
           distribution: temurin
           java-version: 11
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@v7
         with:
           python-version: 3.8
       - run: pip install mkdocs-material