Update GitHub Actions workflows

- Remove macOS test environment
- Use only Ubuntu for CI/CD
- Streamline test and build process with uv
- Use official PyPI publish action

Author: tumf

.github/workflows/publish.yml

@@ -7,12 +7,11 @@ on:
 
 jobs:
   test:
+    runs-on: ubuntu-latest
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest]
         python-version: ["3.11"]
 
-    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
 
@@ -68,3 +67,4 @@ jobs:
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
           password: ${{ secrets.PYPI_TOKEN }}
+          password: ${{ secrets.PYPI_TOKEN }}

.github/workflows/test.yml

@@ -8,12 +8,11 @@ on:
 
 jobs:
   test:
+    runs-on: ubuntu-latest
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest]
         python-version: ["3.11"]
 
-    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4