[monorepo] move retries from the outside to the per-test level (#31528)

* [monorepo] move retries from the outside to the per-test level

* [web] increase hookTimeout in CI

* [monorepo] consolidate test retries

- do not retry unit tests
- only retry in ci, optionally locally with "RETRIES=3 make test..."
- add retries for web

Co-authored-by: Eric Mc Sween <eric.mcsween@overleaf.com>

---------

Co-authored-by: Eric Mc Sween <eric.mcsween@overleaf.com>
GitOrigin-RevId: 86e45edcfb087d18e0e957ad6df9a6105dcd5770

services/chat/docker-compose.yml

@@ -35,6 +35,7 @@ services:
       - ../../tools/migrations:/overleaf/tools/migrations
     working_dir: /overleaf/services/chat
     environment:
+      RETRIES:
       MONGO_CONNECTION_STRING: mongodb://mongo/test-overleaf
       POSTGRES_HOST: postgres
       MOCHA_GREP: ${MOCHA_GREP}