ci/lint: fix missing return value in lint-commit-msg

Author: nathanruiz

ci/lint-commit-msg.py

@@ -61,6 +61,7 @@ def do_lint(commit_range: str) -> bool:
             print("\nhas the following issues:")
             print("\n".join(failed))
             print("-" * 40)
+    return any_failed
 
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