CI Uses GITHUB_OUTPUT in github actions (#2219)

Signed-off-by: Thomas J. Fan <thomasjpfan@gmail.com>
Co-authored-by: Kevin Su <pingsutw@gmail.com>

Author: thomasjpfan

.github/workflows/pythonpublish.yml

@@ -24,7 +24,7 @@ jobs:
         run: |
           # from refs/tags/v1.2.3 get 1.2.3
           VERSION=$(echo $GITHUB_REF | sed 's#.*/v##')
-          echo "::set-output name=version::$VERSION"
+          echo "version=$VERSION" >> $GITHUB_OUTPUT
         shell: bash
       - name: Build and publish
         env: