Update gradle.properties

Author: nbransby

Diff for: gradle.properties

@@ -31,11 +31,11 @@ firebase-functions.skipIosTests=false
 firebase-installations.skipIosTests=false
 
 # Versions:
-firebase-app.version=1.4.3
-firebase-auth.version=1.4.3
-firebase-common.version=1.4.3
-firebase-config.version=1.4.3
-firebase-database.version=1.4.3
-firebase-firestore.version=1.4.3
-firebase-functions.version=1.4.3
-firebase-installations.version=1.4.3
+firebase-app.version=1.5.0
+firebase-auth.version=1.5.0
+firebase-common.version=1.5.0
+firebase-config.version=1.5.0
+firebase-database.version=1.5.0
+firebase-firestore.version=1.5.0
+firebase-functions.version=1.5.0
+firebase-installations.version=1.5.0