The new rate limits are more suitable for running Element Call.

Ref:

- 93ae2aed98/docs/self-hosting.md (a-matrix-homeserver)
- https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/3562

Instead of trying to increase them conditionally only when Element Call
is enabled, it's simpler and good-enough to just increase them in all cases.