fix: Add missing ErrorReportValve to default server.xml

[NicoJDE]

Pull request description

Hide details and stack trace information in the error pages of Confluence

https://support.atlassian.com/confluence/kb/hide-details-and-stack-trace-information-in-the-error-pages-of-your-confluence-environment/

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[HujinoKun]

Hello,

Your contribution is very timely ^^

Can you also make the change on all applications that may have this configuration?

I was going to propose a PR on Confluence and Jira.

[NicoJDE]

@HujinoKun can you please take a look?

I am not sure about the release process. Did i need to bump the Chart Version ? @bianchi2