update codeowners for bix (#12632)

CODEOWNERS

@@ -6,8 +6,8 @@
 /core @smartcontractkit/foundations
 
 # Chains
-/common @smartcontractkit/integrations
-/core/chains/ @smartcontractkit/integrations
+/common @smartcontractkit/bix-framework
+/core/chains/ @smartcontractkit/bix-framework
 
 # Services
 /core/services/directrequest @smartcontractkit/keepers
@@ -20,10 +20,10 @@
 /core/services/ocr* @smartcontractkit/foundations
 /core/services/periodicbackup @smartcontractkit/foundations
 /core/services/pg @smartcontractkit/foundations @samsondav
-/core/services/pipeline @smartcontractkit/foundations @smartcontractkit/integrations
+/core/services/pipeline @smartcontractkit/foundations @smartcontractkit/bix-framework
 /core/services/telemetry @smartcontractkit/realtime
 /core/services/relay/evm/mercury @smartcontractkit/mercury-team
-/core/services/webhook @smartcontractkit/foundations @smartcontractkit/integrations
+/core/services/webhook @smartcontractkit/foundations @smartcontractkit/bix-framework
 /core/services/llo @smartcontractkit/mercury-team
 
 # VRF-related services
@@ -65,7 +65,7 @@ core/scripts/gateway @smartcontractkit/functions
 /contracts/**/*functions* @smartcontractkit/functions
 /contracts/**/*llo-feeds* @smartcontrackit/mercury-team
 /contracts/**/*vrf* @smartcontractkit/vrf-team
-/contracts/**/*l2ep* @smartcontractkit/integrations
+/contracts/**/*l2ep* @smartcontractkit/bix-ship
 # TODO: replace with a team tag when ready
 /contracts/**/*keystone* @archseer @bolekk @patrick-dowell