build: use an artifact for the coverage report (#215)

.github/workflows/unit.yaml

@@ -13,17 +13,17 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: "3.10"
       - uses: pre-commit/[email protected]
 
   mypy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: "3.10"
       - name: Install nox
@@ -35,9 +35,9 @@ jobs:
     needs: [lint]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: 12rambau/setup-pandoc@test
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: "3.10"
       - name: Install nox
@@ -59,34 +59,37 @@ jobs:
             python-version: "3.11"
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install nox
         run: pip install nox
       - name: test with pytest
         run: nox -s test
+      - name: assess dead fixtures
+        if: ${{ matrix.python-version == '3.10' }}
+        shell: bash
+        run: nox -s dead-fixtures
+      - uses: actions/upload-artifact@v4
+        if: ${{ matrix.python-version == '3.10' }}
+        with:
+          name: coverage
+          path: coverage.xml
 
   coverage:
-    needs: [build, docs]
+    needs: [build]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/download-artifact@v4
         with:
-          python-version: "3.10"
-      - name: Install deps
-        run: pip install nox coverage[toml]
-      - name: test with pytest
-        run: nox -s test
-      - name: assess dead fixtures
-        run: nox -s dead-fixtures
-      - name: coverage
-        run: coverage xml
+          name: coverage
+          path: coverage.xml
       - name: codecov
         uses: codecov/codecov-action@v3
         with:
+          file: ./coverage.xml
           token: ${{ secrets.CODECOV_TOKEN }}
           verbose: true
+          files: ./coverage.xml