Set NPM tag depending on release status (#7615)

Author: achamayou

.github/workflows/npm.yml

@@ -27,12 +27,11 @@ jobs:
 
       - name: Fetch NPM Package from release
         run: |
-          cd js/ccf-app
+          set -ex
           wget https://github.com/microsoft/CCF/releases/download/ccf-${{steps.tref.outputs.version}}/microsoft-ccf-app-${{steps.tref.outputs.version}}.tgz
+          echo "registry=https://registry.npmjs.org/" > .npmrc
+        working-directory: js/ccf-app
 
       - name: Publish NPM Package to https://www.npmjs.com/package/@microsoft/ccf-app
-        run: |
-          set -ex
-          cd js/ccf-app
-          echo "registry=https://registry.npmjs.org/" > .npmrc
-          npm publish microsoft-ccf-app*.tgz --access public
+        run: npm publish microsoft-ccf-app*.tgz --access public --tag ${{ github.event.release.prerelease && 'dev' || 'latest' }}
+        working-directory: js/ccf-app