Merge pull request #2067 from cheahjs/feat/dependabot-updates

feat: update dependabot for python and github actions

.github/dependabot.yml

 version: 2
 updates:
-- package-ecosystem: pip
-  directory: "/backend"
+  - package-ecosystem: pip
+    directory: '/backend'
     schedule:
       interval: daily
-    time: "13:00"
-  groups:
-    python-packages:
-      patterns:
-        - "*"
+      time: '13:00'
+  - package-ecosystem: 'github-actions'
+    directory: '/'
+    schedule:
+      # Check for updates to GitHub Actions every week
+      interval: 'weekly'