chore: using dependabot groups (#188)

Author: fabnguess

.github/dependabot.yml

@@ -5,7 +5,16 @@ updates:
     versioning-strategy: widen
     schedule:
       interval: "weekly"
+    groups:
+      dependencies:
+        dependency-type: "production"
+      development-dependencies:
+        dependency-type: "development"
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
       interval: "monthly"
+    groups:
+      github-actions:
+        patterns:
+          - "*"