chore: update Go version to 1.23 and specify toolchain

sgaunet · sgaunet · commit 9b5a88ffd6cf · 2025-01-15T20:29:01.000+01:00
diff --git a/go.mod b/go.mod
@@ -1,6 +1,8 @@
 module github.com/sgaunet/jwt-cli
 
-go 1.21
+go 1.23
+
+toolchain go1.23.2
 
 require (
 	github.com/golang-jwt/jwt/v5 v5.2.1
