Add scope to default application credentials (#1151)

When using application default credentials with Workflow Identity Federation, the API call to GCP fails with "Request had insufficient authentication scopes.". This attempts to fix that by setting the scope in the GoogleCredentials object.

Co-authored-by: rohitkrishnan <[email protected]>

play/android-publisher/src/main/kotlin/com/github/triplet/gradle/androidpublisher/internal/AndroidPublisher.kt

@@ -56,7 +56,7 @@ internal fun createPublisher(impersonateServiceAccount: String?): AndroidPublish
                 .setDelegates(null)
                 .build()
     } else {
-        appDefaultCreds
+        appDefaultCreds.createScoped(listOf(AndroidPublisherScopes.ANDROIDPUBLISHER))
     }
 
     return AndroidPublisher.Builder(