Merge pull request #225 from buildpacks/update-version

Update default Pack version to v0.30.0

Author: jkutner

setup-pack/action.yml

@@ -6,7 +6,7 @@ inputs:
   pack-version:
     description: 'The version of pack to install'
     required:    false
-    default:     '0.28.0'
+    default:     '0.30.0'
 
 runs:
   using: "composite"