ci: restored dependabot to original configuration

Author: amanstep

.github/dependabot.yml

@@ -1,21 +1,4 @@
 version: 2
-updates:
-  - package-ecosystem: "npm"
-    directory: "/"
-    schedule:
-      interval: "quarterly"
-    groups:
-      npm-packages:
-        patterns: [ "*" ]
-
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "quarterly"
-    groups:
-      github-action-workflows:
-        patterns: [ "*" ]
-version: 2
 updates:
   - package-ecosystem: github-actions
     directory: /