Update actions/setup-python action to v6

Author: renovate[bot]

.github/workflows/build.yml

@@ -38,7 +38,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5.0.0
-      - uses: actions/setup-python@v5.6.0
+      - uses: actions/setup-python@v6.2.0
         with:
           python-version: '3.12'
       - name: "Run mobsfscan"