chore: Create dependabot.yml (#1677)

Co-authored-by: Felix Angelov <felix@shorebird.dev>

.github/dependabot.yml

@@ -0,0 +1,79 @@
+# 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:
+  - package-ecosystem: "pub"
+    directory: "/packages/artifact_proxy"
+    schedule:
+      interval: "weekly"
+    groups:
+      artifact_proxy-deps:
+        patterns:
+          - "*"
+  - package-ecosystem: "pub"
+    directory: "/packages/discord_gcp_alerts"
+    schedule:
+      interval: "weekly"
+    groups:
+      discord_gcp_alerts-deps:
+        patterns:
+          - "*"
+  - package-ecosystem: "pub"
+    directory: "/packages/jwt"
+    schedule:
+      interval: "weekly"
+    groups:
+      jwt-deps:
+        patterns:
+          - "*"
+  - package-ecosystem: "pub"
+    directory: "/packages/redis_client"
+    schedule:
+      interval: "weekly"
+    groups:
+      redis_client-deps:
+        patterns:
+          - "*"
+  - package-ecosystem: "pub"
+    directory: "/packages/scoped"
+    schedule:
+      interval: "weekly"
+    groups:
+      scoped-deps:
+        patterns:
+          - "*"
+  - package-ecosystem: "pub"
+    directory: "/packages/shorebird_cli"
+    schedule:
+      interval: "weekly"
+    groups:
+      shorebird_cli-deps:
+        patterns:
+          - "*"
+  - package-ecosystem: "pub"
+    directory: "/packages/shorebird_code_push_client"
+    schedule:
+      interval: "weekly"
+    groups:
+      shorebird_code_push_client-deps:
+        patterns:
+          - "*"
+  - package-ecosystem: "pub"
+    directory: "/packages/shorebird_code_push_protocol"
+    schedule:
+      interval: "weekly"
+    groups:
+      shorebird_code_push_protocol-deps:
+        patterns:
+          - "*"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    groups:
+      gh-deps:
+        patterns:
+          - "*"