Add workflow for publishing to Test PyPI

.github/workflows/publish-to-test-pypi.yml

@@ -0,0 +1,35 @@
+name: Release to Test PyPI
+
+on:
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: ./.github/workflows/python-tests.yml@main
+
+  pypi-publish:
+    needs: test
+    name: Publish release to Test PyPI
+    runs-on: ubuntu-latest
+    environment:
+      name: testpypi
+      url: https://test.pypi.org/p/sunvox-dll-python
+    permissions:
+      id-token: write
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          enable-cache: true
+          cache-dependency-glob: "uv.lock"
+          python-version: ${{ matrix.python-version }}
+
+      - name: Build package
+        run: uv build
+
+      - name: Publish package distributions to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1