Disable checkout from base

Author: vkucera

.github/workflows/o2-linter.yml

@@ -51,7 +51,7 @@ jobs:
           echo "linter_ran=1" >> "$GITHUB_OUTPUT"
           [[ "${{ github.event_name }}" == "pull_request_target" ]] && options="-g"
           # Checkout the script from the base branch to prevent execution of arbitrary code in the head branch.
-          git checkout ${{ env.BRANCH_BASE }} -- Scripts/o2_linter.py
+          # git checkout ${{ env.BRANCH_BASE }} -- Scripts/o2_linter.py
           # shellcheck disable=SC2086 # Ignore unquoted options.
           python3 Scripts/o2_linter.py $options "${files[@]}"
           echo "Tip: If you allow actions in your fork repository, O2 linter will run when you push commits."