Run modernize (#21546)

`go run golang.org/x/tools/gopls/internal/analysis/modernize/cmd/modernize@latest -fix -test ./...` executed.

`go generate ./...` ran afterwards to keep generated.

internal/event/targetlist.go

@@ -20,6 +20,7 @@ package event
 import (
 	"context"
 	"fmt"
+	"maps"
 	"runtime"
 	"sync"
 	"sync/atomic"
@@ -252,9 +253,7 @@ func (list *TargetList) TargetMap() map[TargetID]Target {
 	defer list.RUnlock()
 
 	ntargets := make(map[TargetID]Target, len(list.targets))
-	for k, v := range list.targets {
-		ntargets[k] = v
-	}
+	maps.Copy(ntargets, list.targets)
 	return ntargets
 }