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

.licenses/npm/strnum.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: strnum
-version: 2.2.3
+version: 2.4.1
 type: npm
 summary: Parse String to Number based on configuration
 homepage: