[ci] Upload source dist to PyPI on release.

MANIFEST.in

+prune Tests/Data
+prune web
+include web/data/versions.json
\ No newline at end of file

scripts/ci/jobs/build-wheels.yml

@@ -65,14 +65,13 @@ publish wheels:
   stage: release
   needs: ["build wheels linux", "build wheels mac", "build wheels win"]
   tags: [envinf, shell]
-  variables:
-    GIT_STRATEGY: none
   rules:
     - if: $CI_COMMIT_TAG
     - if: $CI_COMMIT_REF_NAME == $CI_DEFAULT_BRANCH
     - when: never
   script:
     - >
+      pipx run build --sdist --outdir wheelhouse
       pipx run twine upload
       ${PYPI_REPO}
       ${PYPI_AUTH}