chore: add dependabot.yml

Author: AaronFeledy

.github/dependabot.yml

@@ -0,0 +1,20 @@
+version: 2
+updates:
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    allow:
+      - dependency-name: "@lando/*"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    groups:
+      actions:
+        applies-to: version-updates
+        update-types: [ "major", "minor", "patch" ]
+
+    ignore:
+      - dependency-name: "lando/prepare-release-action"
+        versions: ["99", "99.x.x"] # v99 used for internal testing