Enable dependabot updates (#273)

Author: szegedi

.github/dependabot.yml

@@ -0,0 +1,23 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  # 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 every week on a weekday
+    schedule:
+      interval: "weekly"
+    ignore:
+      # Internal dependencies that we update manually
+      - dependency-name: "pprof-format"
+    versioning-strategy: "increase"
+    labels:
+      - dependabot
+      - dependencies
+      - javascript
+      - semver-patch