add pypi publishing

.github/workflows/_pypi.yml

@@ -0,0 +1,22 @@
+on:
+  workflow_call:
+    secrets:
+        PYPI_TOKEN:
+          required: true
+
+jobs:
+  upload:
+    runs-on: ubuntu-latest
+    environment: release
+
+    steps:
+      - name: Download dist artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: dist
+          path: dist
+
+      - name: Publish to PyPI using trusted publishing
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          password: ${{ secrets.PYPI_TOKEN }}

.github/workflows/ci.yml

@@ -39,6 +39,15 @@ jobs:
     if: needs.check.outputs.branch-pr == ''
     uses: ./.github/workflows/_dist.yml
 
+  pypi:
+    if: github.ref_type == 'tag'
+    needs: dist
+    uses: ./.github/workflows/_pypi.yml
+    permissions:
+      id-token: write
+    secrets:
+      PYPI_TOKEN: ${{ secrets.PYPI_TOKEN }}
+
   release:
     if: github.ref_type == 'tag'
     needs: [dist]