added dependabot config file

.github/dependabot.yaml

@@ -0,0 +1,30 @@
+version: 2
+
+updates:
+  # Target non-default branch
+  - target-branch: "v5"
+
+  # Enable version updates for bundler
+  - package ecosystem: "bundler"
+    # Look for `Gemfile.lock` in the `root` directory
+    directory: "/"
+    # Check for updates once a week
+    schedule:
+      interval: "weekly"
+
+  # Enable version updates for npm
+  - package-ecosystem: "npm"
+    # Look for `package.json` and `lock` files in the `root` directory
+    directory: "/"
+    # Check the npm registry for updates once a week
+    schedule:
+      interval: "weekly"
+
+  # Enable version updates for Docker
+  - package-ecosystem: "docker"
+    # Look for a `Dockerfile` in the `root` directory
+    directory: "/"
+    # Check for updates once a week
+    schedule:
+      interval: "weekly"
+