Add missing require for Concurrent::ThreadLocalVar
Add missing require for Concurrent::ThreadLocalVar

Fixes #37697
bogdanvlviv/rails,yawboakye/rails,eileencodes/rails,starknx/rails,yhirano55/rails,yalab/rails,mechanicles/rails,Vasfed/rails,BlakeWilliams/rails,joonyou/rails,kmcphillips/rails,gauravtiwari/rails,mechanicles/rails,eileencodes/rails,esparta/rails,yawboakye/rails,kddeisz/rails,rails/rails,BlakeWilliams/rails,tgxworld/rails,Envek/rails,joonyou/rails,tgxworld/rails,jeremy/rails,kmcphillips/rails,mechanicles/rails,iainbeeston/rails,palkan/rails,MSP-Greg/rails,schuetzm/rails,EmmaB/rails-1,Stellenticket/rails,EmmaB/rails-1,prathamesh-sonpatki/rails,lcreid/rails,palkan/rails,Erol/rails,tjschuck/rails,Erol/rails,Envek/rails,Erol/rails,gauravtiwari/rails,yalab/rails,Envek/rails,betesh/rails,schuetzm/rails,jeremy/rails,starknx/rails,palkan/rails,prathamesh-sonpatki/rails,Edouard-chin/rails,fabianoleittes/rails,eileencodes/rails,joonyou/rails,schuetzm/rails,Stellenticket/rails,tgxworld/rails,yhirano55/rails,gauravtiwari/rails,fabianoleittes/rails,yalab/rails,rafaelfranca/omg-rails,joonyou/rails,fabianoleittes/rails,rails/rails,Vasfed/rails,rafaelfranca/omg-rails,yahonda/rails,lcreid/rails,tgxworld/rails,georgeclaghorn/rails,betesh/rails,BlakeWilliams/rails,rafaelfranca/omg-rails,Edouard-chin/rails,kddeisz/rails,yahonda/rails,yawboakye/rails,iainbeeston/rails,vipulnsward/rails,kmcphillips/rails,repinel/rails,rails/rails,Edouard-chin/rails,schuetzm/rails,Vasfed/rails,repinel/rails,vipulnsward/rails,bogdanvlviv/rails,EmmaB/rails-1,notapatch/rails,lcreid/rails,repinel/rails,vipulnsward/rails,prathamesh-sonpatki/rails,eileencodes/rails,notapatch/rails,lcreid/rails,fabianoleittes/rails,yawboakye/rails,betesh/rails,vipulnsward/rails,Edouard-chin/rails,jeremy/rails,mechanicles/rails,georgeclaghorn/rails,yahonda/rails,iainbeeston/rails,esparta/rails,starknx/rails,MSP-Greg/rails,tjschuck/rails,yhirano55/rails,MSP-Greg/rails,palkan/rails,kmcphillips/rails,notapatch/rails,yhirano55/rails,notapatch/rails,georgeclaghorn/rails,Stellenticket/rails,tjschuck/rails,Envek/rails,iainbeeston/rails,yahonda/rails,Stellenticket/rails,yalab/rails,MSP-Greg/rails,rails/rails,georgeclaghorn/rails,Erol/rails,Vasfed/rails,prathamesh-sonpatki/rails,bogdanvlviv/rails,jeremy/rails,repinel/rails,esparta/rails,kddeisz/rails,BlakeWilliams/rails,tjschuck/rails,betesh/rails,esparta/rails,bogdanvlviv/rails,kddeisz/rails