fix: build failure on Go versions below 1.21, add build constraint for slog.go (#7572)

iTanken · web-flow · commit cb6574367217 · 2025-09-08T16:27:25.000+08:00
diff --git a/logger/slog.go b/logger/slog.go
@@ -1,3 +1,5 @@
+//go:build go1.21
+
 package logger
 
 import (
