Update .github/dependabot.yaml

Co-authored-by: Copilot <[email protected]>

Author: gvatsal60

.github/dependabot.yaml

@@ -1,7 +1,7 @@
 version: 2
 updates:
   - package-ecosystem: "devcontainers"
-    directory: "/"
+    directory: "/.devcontainer"
     schedule:
       interval: "weekly"
   - package-ecosystem: "github-actions"