Add BuildJet Option (#154)

action.yml

@@ -36,6 +36,10 @@ inputs:
     description: "Determiners whether the cache should be saved. If `false`, the cache is only restored."
     required: false
     default: "true"
+  cache-provider:
+    description: "Determines which provider to use for caching. Options are github or buildjet, defaults to github."
+    required: false
+    default: "github"
 outputs:
   cache-hit:
     description: "A boolean value that indicates an exact match was found."