clean up cache

Author: ceroberoz

.github/workflows/scrape.yml

@@ -32,6 +32,16 @@ jobs:
           python-version: "3.x"
           cache: "pip"
 
+      - uses: actions/cache@v3
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+
+      - name: Create pip cache directory
+        run: mkdir -p ~/.cache/pip
+
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip