ci(palletjack): fix tests

.github/workflows/palletjack.yml

@@ -30,22 +30,23 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: 3.11
-          cache-dependency-path: |
-            src/roadkill/requirements.txt
-            src/roadkill/requirements.dev.txt
+          cache: pip
 
       - name: ⬇️ Set up code
         uses: actions/checkout@v4
 
-      - name: Install Dependencies
+      - name: 📥 Download extra dependencies
         run: |
-          sudo apt install -y libkrb5-dev
-          pip install -r src/roadkill/requirements.txt
-          pip install -r src/roadkill/requirements.dev.txt
+          sudo apt-get update
+          sudo apt-get install -y libkrb5-dev
 
-      - name: Test with pytest
+      - name: 🏗 Install module
+        run: pip install .[tests]
+
+      - name: 🧪 Run tests
         run: pytest
 
+
   deploy-dev:
     name: Deploy Staging to GCF
     runs-on: ubuntu-latest