Update @actions/cache to 5.1.0 and add security overrides for undici and fast-xml-parser (#1579)

* Update @actions/cache to 5.1.0, add security overrides for undici and fast-xml-parser, update licenses

* Fix debug message for unchanged cache validation in tests

* Fix formatting in cache validation test for unchanged cache

* Bump version to 6.5.0

__tests__/cache-save.test.ts

@@ -343,7 +343,9 @@ describe('run', () => {
       expect(getInputSpy).not.toHaveBeenCalled();
       expect(getStateSpy).toHaveBeenCalledTimes(4);
       expect(getCommandOutputSpy).toHaveBeenCalledTimes(0);
-      expect(debugSpy).toHaveBeenCalledTimes(0);
+      expect(debugSpy).toHaveBeenLastCalledWith(
+        `Cache was not saved for the key: ${yarnFileHash}`
+      );
       expect(infoSpy).not.toHaveBeenCalledWith(
         `Cache hit occurred on the primary key ${npmFileHash}, not saving cache.`
       );