Simplified caching in Github actions configuration.

Author: felixxm

.github/workflows/ci.yml

@@ -27,13 +27,8 @@ jobs:
       uses: actions/setup-python@v3
       with:
         python-version: 3.8
-    - name: Cache PyPI
-      uses: actions/cache@v2
-      with:
-        key: pip-lint-${{ hashFiles('requirements/*.txt') }}
-        path: ~/.cache/pip
-        restore-keys: |
-            pip-lint-
+        cache: 'pip'
+        cache-dependency-path: 'requirements/*.txt'
     - name: Install dependencies
       uses: py-actions/py-dependency-install@v3
       with:
@@ -89,17 +84,8 @@ jobs:
       uses: actions/setup-python@v3
       with:
         python-version: ${{ matrix.pyver }}
-    - name: Get pip cache dir
-      id: pip-cache
-      run: |
-        echo "::set-output name=dir::$(pip cache dir)"    # - name: Cache
-    - name: Cache PyPI
-      uses: actions/cache@v2
-      with:
-        key: pip-ci-${{ runner.os }}-${{ matrix.pyver }}-{{ matrix.no-extensions }}-${{ hashFiles('requirements/*.txt') }}
-        path: ${{ steps.pip-cache.outputs.dir }}
-        restore-keys: |
-            pip-ci-${{ runner.os }}-${{ matrix.pyver }}-{{ matrix.no-extensions }}-
+        cache: 'pip'
+        cache-dependency-path: 'requirements/*.txt'
     - name: Install cython
       if: ${{ matrix.no-extensions == '' }}
       uses: py-actions/py-dependency-install@v3