add dependabot.yml

Author: hrodmn

.github/dependabot.yml

@@ -0,0 +1,22 @@
+version: 2
+updates:
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 10
+    versioning-strategy: "auto"
+    groups:
+      all-dependencies:
+        patterns:
+          - "*"
+    commit-message:
+      prefix: "chore"
+      prefix-development: "chore"
+      include: "scope"
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 5