change mysql driver class to 'com.mysql.cj.jdbc.Driver' as 'com.mysql.jdbc.Driver' is deprecated

apollo-common/src/main/resources/application.properties

@@ -2,6 +2,7 @@ spring.http.converters.preferred-json-mapper=gson
 
 # DataSource
 spring.datasource.hikari.connectionInitSql=set names utf8mb4
+spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
 
 # Naming strategy
 spring.jpa.hibernate.naming.physical-strategy=org.hibernate.boot.model.naming.PhysicalNamingStrategyStandardImpl