Include collab in backend workflow

Author: samuelim01

.github/workflows/backend.yml

@@ -3,7 +3,12 @@ name: Deploy Backend Services
 on:
   push:
     branches: [ 'main' ]
-    paths: [ 'services/match/**', 'services/question/**', 'services/user/**' ]
+    paths: [
+      'services/question/**',
+      'services/user/**',
+      'services/match/**',
+      'services/collaboration/**',
+    ]
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
@@ -24,7 +29,7 @@ jobs:
 
     strategy:
       matrix:
-        service: [ 'match', 'question', 'user' ]
+        service: [ 'question', 'user', 'match', 'collaboration' ]
 
     steps:
       - name: Checkout