Switch from HashMap to ConcurrentHashMap to prevent an error when saving (while…

Switch from HashMap to ConcurrentHashMap to prevent an error when saving (while modifying the HashMap)
4 jobs from lead-behavior in 2 minutes 29 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
passed #39467
minecraft
build_mod

02:29

 
  Test
manual #39468
minecraft allowed to fail manual
gpt-3.5-turbo
manual #39469
minecraft allowed to fail manual
gpt-4o
manual #39470
minecraft allowed to fail manual
llama3-8b