feat: add dependably.yml

Signed-off-by: Cedric Ziel <cedric@cedric-ziel.com>

Author: cedricziel

.github/dependabot.yml

@@ -0,0 +1,24 @@
+version: 2
+updates:
+
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    # Workflow files stored in the default location of `.github/workflows`. (You don't need to specify `/.github/workflows` for `directory`. You can use `directory: "/"`.)
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    assignees:
+    - cedricziel
+
+  - package-ecosystem: "composer"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    assignees:
+    - cedricziel
+  - package-ecosystem: "composer"
+    directory: ".github/template-cleanup"
+    schedule:
+      interval: "weekly"
+    assignees:
+    - cedricziel