feat: add Dependabot configuration

Author: UlisesGascon

.github/dependabot.yml

@@ -0,0 +1,36 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: monthly
+
+  - package-ecosystem: npm
+    directory: /
+    schedule:
+      interval: monthly
+      time: "23:00"
+    open-pull-requests-limit: 10
+    ignore:
+      - dependency-name: "*"
+        update-types: ["version-update:semver-major"]
+
+  - package-ecosystem: npm
+    directory: /packages/doctor
+    schedule:
+      interval: monthly
+      time: "23:00"
+    open-pull-requests-limit: 10
+    ignore:
+      - dependency-name: "*"
+        update-types: ["version-update:semver-major"]
+
+  - package-ecosystem: npm
+    directory: /packages/nativescript-envinfo
+    schedule:
+      interval: monthly
+      time: "23:00"
+    open-pull-requests-limit: 10
+    ignore:
+      - dependency-name: "*"
+        update-types: ["version-update:semver-major"]