Update django.yml

.github/workflows/django.yml

@@ -8,7 +8,6 @@ on:
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
 
     services:
@@ -31,6 +30,7 @@ jobs:
           python-version: 3.11
       - name: Install dependencies
         run: |
+          cd backend
           python -m pip install --upgrade pip
           pip install -r requirements.txt
       - name: Run migrations