[ci] split independent checks into different jobs

Author: dnicolodi

.github/workflows/default.yml

@@ -3,15 +3,29 @@ on:
   - pull_request
 
 jobs:
-  build:
+  lint:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version:
+          - '3.12'
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: lint
+      run: |
+        make lint
+
+  test:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         python-version:
           - '3.13'
           - '3.12'
-
     steps:
     - uses: actions/checkout@v4
     - name: set up Python ${{ matrix.python-version }}
@@ -20,26 +34,48 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: install dependencies
       run: |
-        sudo apt-get update
-        sudo apt-get dist-upgrade -y
-        sudo apt-get install -y pandoc
-        sudo apt-get install -y python3-sphinx
-        sudo apt-get install -y python3-docutils
         python -m pip install --upgrade pip
         pip install --upgrade --requirement requirements-test.txt
-    - name: lint
-      #      if: ${{ matrix.python-version == '3.12' }}
-      run: |
-        make lint
     - name: pytest
       run: |
         make tatsu_test
     - name: examples
       run: |
         make examples
+
+  docs:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version:
+          - '3.12'
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: install dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get dist-upgrade -y
+        sudo apt-get install -y pandoc
+        sudo apt-get install -y python3-sphinx
+        sudo apt-get install -y python3-docutils
     - name: documentation
       run: |
         make documentation
+
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version:
+          - '3.12'
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
     - name: distributions
       run: |
         make build