ci: add automatic release scripts

.github/workflows/publish.yml

@@ -0,0 +1,24 @@
+name: upload release to PyPI
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  pypi-publish:
+    name: upload release to PyPI
+    runs-on: ubuntu-latest
+    environment: release
+    permissions:
+      id-token: write
+      contents: read
+    steps:
+      - uses: actions/[email protected]
+      - uses: actions/[email protected]
+        with:
+          python-version: 3.12
+      - run: |
+          pip install build
+          python3 -m build . --wheel --sdist
+      - name: Publish package distributions to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1

.github/workflows/release.yml

@@ -0,0 +1,20 @@
+name: Tag next release
+on:
+  workflow_dispatch:
+
+jobs:
+  tag-next-release:
+    name: Tag next release
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/[email protected]
+      - uses: actions/[email protected]
+        with:
+          python-version: 3.12
+      - run: |
+          pip install build setuptools_scm
+          tag="$(python3 -m setuptools_scm --strip-dev)"
+          git tag "$tag"
+          git push origin "$tag"