Remove redundant cache step

.github/workflows/build-and-test.yml

@@ -24,7 +24,7 @@ env:
   BACKEND_GCF: https://${{ vars.GCP_REGION }}-${{ secrets.GCP_PROJECT_ID }}.${{ vars.GCP_FUNCTION_URI_SUFFIX }}
 
 jobs: 
-  build-and-test:
+  build_and_test:
     runs-on: ubuntu-latest
 
     # Use the matrix strategy to run build and test steps for both backend_gcf and ui_cr
@@ -58,19 +58,11 @@ jobs:
         head -n 3 $GOOGLE_APPLICATION_CREDENTIALS
       shell: bash
 
-    # Cache Python dependencies to speed up subsequent runs
-    - name: Cache pip
-      uses: actions/cache@v3
-      with:
-        path: ~/.cache/pip
-        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
-        restore-keys: |
-          ${{ runner.os }}-pip-
-          
     - name: Set up Python 3.10
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v5
       with:
         python-version: "3.10"
+        cache: 'pip' # caching pip dependencies        
 
     - name: Install dependencies
       run: |