dependabot: switch to grouped updates

Author: XhmikosR

.github/dependabot.yml

@@ -4,9 +4,18 @@ updates:
     directory: '/'
     schedule:
       interval: monthly
+    groups:
+      github-actions:
+        patterns:
+          - '*'
   - package-ecosystem: npm
     directory: '/'
     schedule:
       interval: monthly
     open-pull-requests-limit: 10
     versioning-strategy: increase
+    groups:
+      production-dependencies:
+        dependency-type: 'production'
+      development-dependencies:
+        dependency-type: 'development'