don't show stacktrace from KeyboardInterrupt codespell-project#3217

Author: jcubic

codespell_lib/__main__.py

@@ -3,4 +3,7 @@
 from ._codespell import _script_main
 
 if __name__ == "__main__":
-    sys.exit(_script_main())
+    try:
+        sys.exit(_script_main())
+    except KeyboardInterrupt:
+        pass