chore(deps): update actions/setup-python action to v6

Author: renovate[bot]

.github/workflows/build-and-release.yml

@@ -136,7 +136,7 @@ jobs:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Install Python (for testing)
-        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
+        uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6
         with:
           python-version: "3.13"
           cache: "pip"