cd: fix @mux/mux-video-ads dependency install

Author: luwes

.github/workflows/cd-news-player.yml

@@ -40,6 +40,11 @@ jobs:
       - name: Build
         run: npm run build:packages
 
+      # @mux/mux-video-ads is not published so we need to update the dependency version to the gitpkg url.
+      # Do it here so we still automatically workspace symlink during development.
+      - name: Update NPM @mux/mux-video-ads version to gitpkg url
+        run: npm pkg set dependencies.@mux/mux-video-ads='https://gitpkg.vercel.app/muxinc/elements/packages/mux-video-ads?release-news-player' -w @mux/mux-player-react
+
       - uses: fregante/setup-git-user@v2
       - name: Append !dist to gitignore
         run: echo '!dist' >> .gitignore