Add dependabot configuration

Author: lansana

.github/dependabot.yml

@@ -0,0 +1,14 @@
+version: 2
+updates:
+  - package-ecosystem: "npm"
+    directory: "/client/web/react"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "pip"
+    directory: "/agent/python"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"