Update maintenance policy on security releases
Update maintenance policy on security releases

This should reflect our current release behavior where we released
6.0.2.1 instead of 6.0.2 as a security release.

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