Create dependabot.yml

.github/dependabot.yml

@@ -0,0 +1,32 @@
+# Please see the documentation for more information:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+# https://containers.dev/guide/dependabot
+
+version: 2
+updates:
+  - package-ecosystem: devcontainers
+    directory: "/"
+    schedule:
+      interval: monthly
+    groups:
+      'all-devcontainers':
+        patterns:
+          - "*"
+
+  - package-ecosystem: github-actions
+    directory: "/"
+    schedule:
+      interval: monthly
+    groups:
+      'all-github-actions':
+        patterns:
+          - "*"
+
+  - package-ecosystem: npm
+    directory: "/"
+    schedule:
+      interval: monthly
+    groups:
+      'all-npm':
+        patterns:
+          - "*"