Update actions/checkout action to v6.0.3 (#21)

Co-authored-by: Renovate Bot <renovate@whitesourcesoftware.com>

Author: plengauer

.github/workflows/recompile_agentic_workflows.yml

@@ -25,7 +25,7 @@ jobs:
           secrets_to_redact: |-
             ${{ github.token }}
             ${{ secrets.ACTIONS_GITHUB_TOKEN }}
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - env:
           GH_TOKEN: ${{ secrets.ACTIONS_GITHUB_TOKEN }}
         run: |