Dinky v0.6.2

[Feature-312][alert] Add FeiShu alert type
[Feature-309][alert] Add Email alert type
[Feature-339][admin,web] Add alarm msg sending test
[Feature][root] Add docker support
[Feature-355][admin,executor] Restore the job from a savepoint path in remote mode
[Feature-377][] Modify version to 0.6.2-SNAPSHOT
[Feature-389][client,executor] Add OracleCDCSourceMerge
[Feature-401][] Modify version to 0.6.2

[Fix-239][core] Use "==" to judge whether the values of referenced variables are equal. Replace with the equals function
[Fix-310][gateway] Configure hadoop_conf for Flink
[Fix-347][alert] Fix to the latest configuration take effect during the alert test
[fix-350][alert] Feishu alert when choose '@ALL' send msg failed bug
[Fix-358][pom] Fix to install
[fix-363][metadata-hive] Fix hive getSqlGeneration Exception
[Fix-370][executor] Avoid replacement failure due to special characters
[Fix-98][admin,web] Fix to show exception
[Fix-127][core,executor] Add executeAsync datastream job
[Fix-352][admin] Fix to modify cluster configuration
[Fix-395][connector] Oracle connector oracle.sql.TIMESTAMP converte java.sql.Timestamp occur cast exception
[Fix-402][admin] MybatisPlus PO boolean default false
[fix-407][common,function] Use "==" to judge whether the values of referenced variables are equal.
[Fix-405][common] Fix the default value of SystemConfiguration sqlSeparator to ';\r\n'
[Fix-393][core] Program in loop when offline task failed
[Fix-418][admin,core,sql] Fix submit task parameter exception

[Optimization-367][core] Optimization explainSql return all error
[Optimization-371][metadata-hive] Optimization metadata-hive pom
[Optimization-373][admin] Add httpclient to admin jar
[Optimization-382][alert,metadata] Optimization SPI
[Optimization-384][client] Optimization CDCSourceMerge
[Optimization-397][daemon] SPI Optimization
[Optimization-406][web] FlinkWebUI button Optimization && add flinkwebui button for clusertInstance Manager