feat: update the go version

kinyou · kinyou · commit 139997cc12e7 · 2023-12-07T22:12:15.000+08:00
diff --git a/go.mod b/go.mod
@@ -1,6 +1,6 @@
 module github.com/maogou/period
 
-go 1.21.0
+go 1.21
 
 require github.com/stretchr/testify v1.8.4
 
