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/xml-naming.dep.yml

@@ -0,0 +1,12 @@
+---
+name: xml-naming
+version: 0.1.0
+type: npm
+summary: Validates XML name productions — Name, NCName, QName, NMToken, NMTokens —
+  for XML 1.0 and 1.1
+homepage:
+license: mit
+licenses:
+- sources: README.md
+  text: MIT
+notices: []