Configure NPM_TOKEN in publish workflow

Add NPM_TOKEN environment variable for publishing

Author: giannif

.github/workflows/publish.yml

@@ -26,6 +26,8 @@ jobs:
                   registry-url: 'https://registry.npmjs.org'
                   scope: '@giphy'
                   cache: 'yarn'
+              env:
+                  NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
 
             - run: yarn install --immutable
             - name: Create Release Pull Request or Publish