CI: Separate coverage task from main.yml

.github/workflows/coverage.yml

@@ -0,0 +1,32 @@
+name: Coverage
+
+on: [push]
+
+jobs:
+  coverage:
+    runs-on: ubuntu-latest
+    if: github.repository_owner == 'sphinx-doc'
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python 3
+      uses: actions/setup-python@v3
+      with:
+        python-version: 3
+
+    - name: Check Python version
+      run: python --version
+
+    - name: Install graphviz
+      run: sudo apt-get install graphviz
+
+    - name: Install dependencies
+      run: python -m pip install -U pip tox pytest-cov
+
+    - name: Run Tox
+      run: tox --sitepackages -e py -- -vv
+      env:
+        PYTEST_ADDOPTS: "--cov ./ --cov-append --cov-config setup.cfg"
+
+    - name: codecov
+      uses: codecov/codecov-action@v3

.github/workflows/main.yml

@@ -56,32 +56,3 @@ jobs:
       run:  python -m pip install -U pip tox
     - name: Run Tox
       run:  tox -e py -- -vv
-
-  coverage:
-    # only run on pushes to branches in the sphinx-doc/sphinx repo
-    if: github.repository_owner == 'sphinx-doc' && github.event_name == 'push'
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v3
-    - name: Set up Python 3
-      uses: actions/setup-python@v3
-      with:
-        python-version: 3
-
-    - name: Check Python version
-      run: python --version
-
-    - name: Install graphviz
-      run: sudo apt-get install graphviz
-
-    - name: Install dependencies
-      run: python -m pip install -U pip tox pytest-cov
-
-    - name: Run Tox
-      run: tox --sitepackages -e py -- -vv
-      env:
-        PYTEST_ADDOPTS: "--cov ./ --cov-append --cov-config setup.cfg"
-
-    - name: codecov
-      uses: codecov/codecov-action@v3