syntect-server: frequent worker deaths, highlighting timeouts, highlighting errors

Created by: bobheadxi

These three are some of the most frequent alerts in #alerts-cloud:

• syntax_highlighting_worker_deaths
• syntax_highlighting_errors
• syntax_highlighting_timeouts

query:

Is this expected to happen so frequently? Who owns syntect-server, and is this something we should fix on the syntect-server end? (historically it seems issues tagged as syntect_server have belonged to a variety of teams)