chore: Add license-checker action for pnpm (#6473)

Author: davidkna-sap

.github/actions/check-license/action.yml

@@ -0,0 +1,5 @@
+name: 'Check License'
+description: 'Checks if the licenses of the dependencies are allowed.'
+runs:
+  using: 'node24'
+  main: 'index.js'