Update python-publish.yml

Another attempt at the get current version

.github/workflows/python-publish.yml

@@ -5,6 +5,7 @@ on:
     tags:
      - '*'
   workflow_dispatch:
+
 
 jobs:
   build-n-publish:
@@ -22,10 +23,12 @@ jobs:
         pip install wheel
     - name: Extract tag name
       id: tag
-      run: echo ::set-output name=TAG_NAME::$(echo $GITHUB_REF | cut -d / -f 3)
+      run: |
+        echo "Current tag:"
+        echo ${{ github.event.release.tag_name }
     - name: Update version in setup.py
       run: >-
-        sed -i "s/{{VERSION_PLACEHOLDER}}/${{ steps.tag.outputs.TAG_NAME }}/g" setup.py
+        sed -i "s/{{VERSION_PLACEHOLDER}}/${{ github.event.release.tag_name }/g" setup.py
     - name: Build a binary wheel
       run: >-
         python setup.py sdist bdist_wheel