workflow: Update actions used

setup-python now support pip caching, so rmeove actions/cache

.github/workflows/build.yml

@@ -12,26 +12,21 @@ jobs:
     runs-on: ubuntu-latest
     env:
       SPHINXOPTS: --color -q -E --keep-going -W
-
-    steps:
-      - uses: actions/cache@v1
-        with:
-          path: ~/.cache/pip
-          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
-          restore-keys: |
-            ${{ runner.os }}-pip-
 
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v1
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
         with:
-          python-version: 3.7
+          python-version: '3.10'
+          cache: 'pip'
+          cache-dependency-path: 'requirements.txt'
       - name: Install dependencies
         run: |
           python3 -m pip install -U pip
           pip install -U -r requirements.txt
       - run: make -C docs/ html SPHINXOPTS="${SPHINXOPTS}"
       - name: Upload docs as artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: translated-docs
           path: docs/_build/**/html