chore: add Dependabot config

.github/dependabot.yml

@@ -0,0 +1,37 @@
+version: 2
+updates:
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    cooldown:
+      default-days: 7
+      semver-major-days: 7
+      semver-minor-days: 7
+      semver-patch-days: 7
+    labels:
+      - "dependencies"
+      - "automated"
+    commit-message:
+      prefix: "chore"
+      include: "scope"
+    groups:
+      version-minor-and-patch:
+        applies-to: version-updates
+        patterns:
+          - "*"
+        update-types:
+          - minor
+          - patch
+      security-updates:
+        applies-to: security-updates
+        patterns:
+          - "*"
+        update-types:
+          - major
+          - minor
+          - patch
+    ignore:
+      - dependency-name: "*"
+        update-types:
+          - "version-update:semver-major"