[ISSUE #3515] upgrade spring-boot-dependencies version to 2.1.16.RELE…

[corey89757]

What is the purpose of the change

#3515

Brief changelog

upgrade spring-boot-dependencies version to 2.1.16.RELEASE, tomcat-embed-jasper version to 9.0.37

Verifying this change

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[corey89757]

@zongtanghu please review this pull request.

[zongtanghu]

Serveral things are need to be checked:
(1).Check the nacos's funtions is ok, including standalone mode and cluster mode in your local enviroments.
(2).Check the reason why the nacos' ci tests failed?

@corey89757

[corey89757]

1.I've already run cluster mode server in my local environments, run both ConfigExample and NamingExample, checked the console display.
2.It's a ci test bug. Maybe create a issue later.

[KomachiSion]

@zongtanghu Can you double check this upgrade ?

[zongtanghu]

@zongtanghu Can you double check this upgrade ?

Okay, we will double check this upgrade.