fix versioning in action

.github/workflows/publish.yml

@@ -2,7 +2,7 @@ name: Upload Python Package to PyPI when a Release is Created
 
 on:
   release:
-    types: [created]
+    types: [published]
 
 jobs:
   pypi-publish:
@@ -23,6 +23,10 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install setuptools wheel build
+      - name: Update package version
+        run: |
+          sed -i 's/^#version.*/version = "${{ github.event.release.tag_name }}"/g' pyproject.toml
+          sed -i '/^dynamic.*/d' pyproject.toml
       - name: Build package
         run: |
           python -m build