Add lookup-only option (#1041)

* Add new actions/cache version (with dryRun support)

* Add dry-run option

* Changes after rebase

* Update readme

* Rename option to lookup-only

* Update test name

* Update package.json + changelog

* Update README

* Update custom package version

* Update custom package version

* Update @actions/cache to 3.2.0

* Code review

* Update log statement

* Move test case

---------

Co-authored-by: Sankalp Kotewar <98868223+kotewar@users.noreply.github.com>

restore/action.yml

@@ -19,6 +19,10 @@ inputs:
     description: 'Fail the workflow if cache entry is not found'
     default: 'false'
     required: false
+  lookup-only:
+    description: 'Check if a cache entry exists for the given input(s) (key, restore-keys) without downloading the cache'
+    default: 'false'
+    required: false
 outputs:
   cache-hit:
     description: 'A boolean value to indicate an exact match was found for the primary key'