Enable automated PyPI deployments for tagged releases (#943)

* Limit PyPi deploys to tag relaeses

* Remove unnecessary tests and docs from sdist build

.github/workflows/release.yml

@@ -34,6 +34,7 @@ jobs:
   publish:
     if: github.ref_type == 'tag'
     runs-on: ubuntu-latest
+    environment: pypi # only tag refs may deploy; the PyPI trusted publisher requires it
     permissions:
       id-token: write # PyPI trusted publishing
     steps:

MANIFEST.in

@@ -0,0 +1,4 @@
+prune tests
+prune docs
+prune .github
+exclude uv.lock Dockerfile* mkdocs.yml .readthedocs.yaml .safety-policy.yml .python-version .gitignore Makefile