graph/db+log: use v2 logger for graph subsystem

graph/db/log.go

@@ -1,7 +1,7 @@
 package graphdb
 
 import (
-	"github.com/btcsuite/btclog"
+	"github.com/btcsuite/btclog/v2"
 	"github.com/lightningnetwork/lnd/build"
 )
 

log.go

@@ -203,7 +203,7 @@ func SetupLoggers(root *build.SubLoggerManager, interceptor signal.Interceptor)
 	AddSubLogger(
 		root, blindedpath.Subsystem, interceptor, blindedpath.UseLogger,
 	)
-	AddV1SubLogger(root, graphdb.Subsystem, interceptor, graphdb.UseLogger)
+	AddSubLogger(root, graphdb.Subsystem, interceptor, graphdb.UseLogger)
 	AddSubLogger(root, chainio.Subsystem, interceptor, chainio.UseLogger)
 	AddSubLogger(root, msgmux.Subsystem, interceptor, msgmux.UseLogger)
 	AddSubLogger(root, sqldb.Subsystem, interceptor, sqldb.UseLogger)