Add cache to CI (#10)

Author: mawassk

.github/workflows/build.yml

@@ -17,13 +17,18 @@ jobs:
 
     steps:
       - uses: actions/[email protected]
-      - name: Setup Python ${{ matrix.python-version }}
-        uses: actions/[email protected]
+      - uses: actions/[email protected]
         with:
           python-version: ${{ matrix.python-version }}
+      - uses: actions/[email protected]
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-${{ matrix.python-version }}-pip-${{ hashFiles('**/requirements.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-${{ matrix.python-version }}-pip-
       - name: Install flit
         run: pip install flit
       - name: Build
         run: make
       - name: Upload coverage
-        uses: codecov/[email protected]
+        uses: codecov/[email protected]

.github/workflows/publish.yml

@@ -10,8 +10,7 @@ jobs:
 
     steps:
       - uses: actions/[email protected]
-      - name: Setup Python 3.8
-        uses: actions/[email protected]
+      - uses: actions/[email protected]
         with:
           python-version: 3.9
       - name: Install flit
@@ -20,4 +19,4 @@ jobs:
         env:
           FLIT_USERNAME: ${{ secrets.FLIT_USERNAME }}
           FLIT_PASSWORD: ${{ secrets.FLIT_PASSWORD }}
-        run: flit publish
+        run: flit publish