bext: automate refetching of code intel extensions
Created by: taras-yemets
Closes #18383
Test plan
- change revision in client/browser/bundled-code-intel-extensions.json
- run
yarn --cwd client/browser build-inline-extensions
- ensure code intel extensions were fetched (message like this was printed to console)
- run
yarn --cwd client/browser build-inline-extensions
again - ensure code intel extensions were not refetched (message like this was printed to console)