use npm pack in publish

Author: bollwyvl

.github/workflows/publish.yaml

@@ -65,10 +65,9 @@ jobs:
       - name: Javascript package
         run: |
           mkdir jsdist
-          cd labextension
-          jlpm pack --filename ../jsdist/labextension-jlpmpack.tgz
-          cd ../jsdist && sha256sum * | tee SHA256SUMS
-
+          cd jsdist
+          npm pack ../labextension
+          sha256sum * | tee SHA256SUMS
 
       - name: Upload Python artifact
         uses: actions/upload-artifact@v3
@@ -127,10 +126,10 @@ jobs:
           path: jsdist
 
       - run: |
-          npm publish --dry-run ./jsdist/labextension-jlpmpack.tgz
+          npm publish --dry-run ./jsdist/jupyterhub-jupyter-server-proxy-*.tgz
 
       - run: |
-          npm publish ./jsdist/labextension-jlpmpack.tgz
+          npm publish ./jsdist/jupyterhub-jupyter-server-proxy-*.tgz
         if: startsWith(github.ref, 'refs/tags')
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}