[python-app] add in multiversion cpython testing on x64

.github/workflows/python-app.yml

@@ -11,29 +11,45 @@ on:
 
 jobs:
   build:
+    strategy:
+      matrix:
+        arch:
+          - 'x64'
+        python_version:
+          - '3.7'
+          - '3.8'
+          - '3.9'
+          - '3.10'
+          - '3.11'
+          - '3.12'
+        os: 
+          - 'ubuntu-latest'
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python 3.7
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python_version }}
+          cache: 'pip'
+          architecture: ${{ matrix.arch }}
+      - name: Install dependencies
+          run: |
+            python -m pip install --upgrade pip
+            pip install flake8 .[test] black==19.3b0 click==8.0.1
+            if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+      - name: Lint with flake8
+        run: |
+          # stop the build if there are Python syntax errors or undefined names
+          flake8 instruct/ --count --select=E9,F63,F7,F82 --show-source --statistics
+          # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+          flake8 instruct/ --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+      - name: Test with pytest
+        run: |
+          pytest
+      - name: Check style
+        run: |
+          black --check
 
-    runs-on: ubuntu-latest
+    
 
-    steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python 3.7
-      uses: actions/setup-python@v2
-      with:
-        python-version: 3.7
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install flake8 .[test] black==19.3b0 click==8.0.1
-        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
-    - name: Lint with flake8
-      run: |
-        # stop the build if there are Python syntax errors or undefined names
-        flake8 instruct/ --count --select=E9,F63,F7,F82 --show-source --statistics
-        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-        flake8 instruct/ --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
-    - name: Test with pytest
-      run: |
-        pytest
-    - name: Check style
-      run: |
-        black --check