fix: preallocate conflictKeys slice to satisfy prealloc linter

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: codchen

giga/deps/tasks/scheduler.go

@@ -170,7 +170,7 @@ func (s *scheduler) DoExecute(work func()) {
 
 func (s *scheduler) findConflicts(task *deliverTxTask) (bool, []int, []string) {
 	var conflicts []int
-	var conflictKeys []string
+	conflictKeys := make([]string, 0, len(s.multiVersionStores))
 	uniq := make(map[int]struct{})
 	valid := true
 	for _, mv := range s.multiVersionStores {

sei-cosmos/tasks/scheduler.go

@@ -170,7 +170,7 @@ func (s *scheduler) DoExecute(work func()) {
 
 func (s *scheduler) findConflicts(task *deliverTxTask) (bool, []int, []string) {
 	var conflicts []int
-	var conflictKeys []string
+	conflictKeys := make([]string, 0, len(s.multiVersionStores))
 	uniq := make(map[int]struct{})
 	valid := true
 	for _, mv := range s.multiVersionStores {