Add cross-platform CI test matrix

Signed-off-by: cyphercodes <cyphercodes@users.noreply.github.com>

Author: cyphercodes

.github/workflows/build.yaml

@@ -39,26 +39,38 @@ jobs:
 
   build:
     needs: lint
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        python_ver: ["3.10", "3.11", "3.12", "3.13", "3.14"]
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        python:
+          - version: "3.10"
+            tox_env: py310
+          - version: "3.11"
+            tox_env: py311
+          - version: "3.12"
+            tox_env: py312
+          - version: "3.13"
+            tox_env: py313
+          - version: "3.14"
+            tox_env: py314
     steps:
     - uses: actions/checkout@v6
-    - name: Set up Python ${{ matrix.python_ver }}
+    - name: Set up Python ${{ matrix.python.version }}
       uses: actions/setup-python@v6
       with:
-        python-version: ${{ matrix.python_ver }}
+        python-version: ${{ matrix.python.version }}
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
         pip install setuptools wheel tox
     - name: Check Typing
+      if: matrix.os == 'ubuntu-latest'
       run: |
         tox -e type
     - name: Run unit-tests
       run: |
-        tox -e py`echo "${{ matrix.python_ver }}" | sed 's/\.//g'`
+        tox -e ${{ matrix.python.tox_env }}
     - name: Upload test coverage
       uses: codecov/codecov-action@v6