chore: configure dependabot

Author: PierreJeanjacquot

.github/dependabot.yml

@@ -0,0 +1,25 @@
+version: 2
+updates:
+  # Enable version updates for npm
+  - package-ecosystem: 'npm'
+    # Look for `package.json` and `lock` files in the `root` directory
+    directory: '/'
+    # Check 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'
+
+  # Enable version updates 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'