fix: CI lint path backend/ragpilot

Author: Conrad CJ Wilson

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
         with:
           python-version: "3.11"
       - run: pip install ruff
-      - run: ruff check backend/app
+      - run: ruff check backend/ragpilot
 
   test:
     runs-on: ubuntu-latest