Use actions/setup-python's caching to remove config

Author: hugovk

.github/workflows/docs-lint.yml

@@ -20,21 +20,9 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.9
-
-      - name: Get pip cache dir
-        id: pip-cache
-        run: |
-          echo "::set-output name=dir::$(pip cache dir)"
-
-      - name: Cache
-        uses: actions/cache@v2
-        with:
-          path: ${{ steps.pip-cache.outputs.dir }}
-          key:
-            ${{ matrix.os }}-${{ matrix.python-version }}-v1-${{ hashFiles('**/setup.py') }}
-          restore-keys: |
-            ${{ matrix.os }}-${{ matrix.python-version }}-v1-
+          python-version: "3.10"
+          cache: pip
+          cache-dependency-path: "setup.py"
 
       - name: Install dependencies
         run: |

.github/workflows/release.yml

@@ -21,20 +21,9 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.8
-
-      - name: Get pip cache dir
-        id: pip-cache
-        run: |
-          echo "::set-output name=dir::$(pip cache dir)"
-
-      - name: Cache
-        uses: actions/cache@v2
-        with:
-          path: ${{ steps.pip-cache.outputs.dir }}
-          key: release-${{ hashFiles('**/setup.py') }}
-          restore-keys: |
-            release-
+          python-version: "3.10"
+          cache: pip
+          cache-dependency-path: "setup.py"
 
       - name: Install dependencies
         run: |

.github/workflows/test.yml

@@ -21,20 +21,8 @@ jobs:
       uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python-version }}
-
-    - name: Get pip cache dir
-      id: pip-cache
-      run: |
-        echo "::set-output name=dir::$(pip cache dir)"
-
-    - name: Cache
-      uses: actions/cache@v2
-      with:
-        path: ${{ steps.pip-cache.outputs.dir }}
-        key:
-          ${{ matrix.os }}-${{ matrix.python-version }}-v1-${{ hashFiles('**/setup.py') }}
-        restore-keys: |
-          ${{ matrix.os }}-${{ matrix.python-version }}-v1-
+        cache: pip
+        cache-dependency-path: "setup.py"
 
     - name: Install dependencies
       run: |