Fix up how we are doing the tagging

github refs aren't what we want, sadly.

Author: gordonwatts

.github/workflows/pypi.yaml

@@ -14,11 +14,14 @@ jobs:
       uses: actions/setup-python@v2
       with:
         python-version: 3.8
-    - name: Install poetry
+    - name: Get the version
+      id: get_version
+      run: echo ::set-output name=VERSION::${GITHUB_REF#refs/tags/}
+      - name: Install poetry
       uses: Gr1N/setup-poetry@v4
     - name: Build
       run: |
-        poetry version ${{ github.ref }}
+        poetry version ${{ steps.get_version.outputs.VERSION }}
     - name: Build and publish to pypi
       uses: JRubics/poetry-publish@v1.6
       with: