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

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

src/constants.ts

@@ -4,7 +4,8 @@ export enum Inputs {
     RestoreKeys = "restore-keys", // Input for cache, restore action
     UploadChunkSize = "upload-chunk-size", // Input for cache, save action
     EnableCrossOsArchive = "enableCrossOsArchive", // Input for cache, restore, save action
-    FailOnCacheMiss = "fail-on-cache-miss" // Input for cache, restore action
+    FailOnCacheMiss = "fail-on-cache-miss", // Input for cache, restore action
+    LookupOnly = "lookup-only" // Input for cache, restore action
 }
 
 export enum Outputs {