matrix: Update bridge to 3.0.3

roles/matrix/tasks/main.yml

@@ -194,7 +194,7 @@
   git:
     repo: https://github.com/matrix-org/matrix-appservice-irc
     dest: /var/lib/synapse/matrix-appservice-irc
-    version: 3.0.2
+    version: 3.0.3
     force: true
   become: true
   become_user: synapse