Simplify YAML + better names

.github/workflows/macos.yml

@@ -1,4 +1,4 @@
-name: CI
+name: MacOS
 
 on:
   push:
@@ -11,12 +11,8 @@ on:
 
 jobs:
   dev-tools:
-    name: Quality Check / ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}-latest
-
-    strategy:
-      matrix:
-        os: [MacOS]
+    name: Quality Check
+    runs-on: macos-latest
 
     steps:
     # Caches
@@ -39,7 +35,7 @@ jobs:
     # Setup
     - uses: actions/checkout@v2
     - name: Set up Python 3.8
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v2
       with:
         python-version: 3.8
 
@@ -50,12 +46,8 @@ jobs:
     - run: python -m tox -e "lint,docs"
 
   packaging:
-    name: Packaging / ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}-latest
-
-    strategy:
-      matrix:
-        os: [MacOS]
+    name: Packaging
+    runs-on: macos-latest
 
     steps:
     # Caches
@@ -74,7 +66,7 @@ jobs:
         git config --global user.name "pip"
     - uses: actions/checkout@v2
     - name: Set up Python 3.8
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v2
       with:
         python-version: 3.8
     - name: Install tox and nox
@@ -91,15 +83,14 @@ jobs:
       run: nox -s build-release -- 99.9
 
   tests:
-    name: Tests / ${{ matrix.python }} / ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}-latest
+    name: Tests / ${{ matrix.python }}
+    runs-on: macos-latest
 
     needs: dev-tools
 
     strategy:
       fail-fast: false
       matrix:
-        os: [MacOS]
         python: [2.7, 3.5, 3.6, 3.7, 3.8, 3.9]
 
     steps:
@@ -114,7 +105,7 @@ jobs:
           ${{ runner.os }}-
     # Setup
     - uses: actions/checkout@v2
-    - uses: actions/setup-python@v1
+    - uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python }}