Add Dependabot.yml

Signed-off-by: Steve Coffman <steve@khanacademy.org>

.github/dependabot.yml

@@ -0,0 +1,34 @@
+# 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/en/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    groups:
+      actions-deps:
+        patterns:
+          - "*"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+  # Maintain dependencies for Go Modules
+  - package-ecosystem: "gomod" # See documentation for possible values
+    directory: "/" # Location of package manifests
+    groups:
+      actions-deps:
+        patterns:
+          - "*"
+    schedule:
+      interval: "weekly"
+  # Maintain dependencies for npm
+  - package-ecosystem: "npm" # See documentation for possible values
+    directory: "/validator/imported" # Location of package manifests
+    groups:
+      actions-deps:
+        patterns:
+          - "*"
+    schedule:
+      interval: "weekly"