Update JWT secret configuration in application.yaml

Author: tuanpro024

services/GroupService/src/main/resources/application.yaml

@@ -24,4 +24,4 @@ springdoc:
     enabled: true
     path: /v3/api-docs
 jwt:
-  secret: ${JWT_SECRET:5367566B59703373367639792F423F4528482B4D6251655468576D5A71347437}
+  secret: ${JWT_SECRET}