Bump actions/setup-python from 5 to 6 (#5335)

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

Author: dependabot[bot]

.github/workflows/lint.yml

@@ -25,7 +25,7 @@ jobs:
           repo: cloudcannon/pagefind
     - uses: actions/[email protected]
     - name: Set up Python 3.12
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: 3.12
     - name: Install dependencies