Update dependabot.yml

.github/dependabot.yml

@@ -1,11 +1,17 @@
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
-# Please see the documentation for all configuration options:
-# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
-
 version: 2
 updates:
   - package-ecosystem: "maven"
     directory: "/"
     schedule:
       interval: "daily"
+    groups:
+      postgresql:
+        patterns:
+          - "*postgresql*"
+      maven:
+        patterns:
+          - "*maven*"
+      kotlin:
+        patterns:
+          - "*kotlin*"
+