Update dependency fastlane-plugin-firebase_app_distribution to v0.9.1

Author: renovate[bot]

Gemfile.lock

@@ -109,7 +109,7 @@ GEM
       xcodeproj (>= 1.13.0, < 2.0.0)
       xcpretty (~> 0.3.0)
       xcpretty-travis-formatter (>= 0.0.3, < 2.0.0)
-    fastlane-plugin-firebase_app_distribution (0.9.0)
+    fastlane-plugin-firebase_app_distribution (0.9.1)
       google-apis-firebaseappdistribution_v1 (~> 0.3.0)
       google-apis-firebaseappdistribution_v1alpha (~> 0.2.0)
     fastlane-plugin-update_xcodeproj (1.0.1)