Merge pull request #3 from 1kbgz/tkp/os

Expand os test set

Author: timkpaine

.github/workflows/build.yaml

@@ -29,7 +29,7 @@ jobs:
 
     strategy:
       matrix:
-        os: [ubuntu-latest]
+        os: [ubuntu-latest, macos-latest, windows-latest]
         python-version: ["3.11"]
 
     steps:
@@ -67,16 +67,20 @@ jobs:
       uses: EnricoMi/publish-unit-test-result-action@v2
       with:
         files: '**/junit.xml'
+      if: ${{ matrix.os == 'ubuntu-latest' }}
 
     - name: Upload coverage
       uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
+      if: ${{ matrix.os == 'ubuntu-latest' }}
 
     - name: Make dist
       run: make dist
+      if: ${{ matrix.os == 'ubuntu-latest' }}
 
     - uses: actions/upload-artifact@v4
       with:
         name: dist-${{matrix.os}}
         path: dist
+      if: ${{ matrix.os == 'ubuntu-latest' }}