adding graph ql for Helm versions - master (#22)

* Adding graphql to find out latest helm version of specified type

* Updating package-loc.json

* Updating js file

* Fixing PR comments

* Adding feature flag as environment variable

* Changing feature flag name

* Updating package-loc.json

action.yml

@@ -1,10 +1,14 @@
 name: 'Helm tool installer'
 description: 'Install a specific version of helm binary. Acceptable values are latest or any semantic version string like 1.15.0'
-inputs: 
+inputs:
   version:
     description: 'Version of helm'
     required: true
     default: 'latest'
+  token:
+    description: 'Github token'
+    default: ${{ github.token }}
+    required: true
 outputs:
   helm-path:
     description: 'Path to the cached helm binary'