Update dependency io.undertow:undertow-servlet to v2.3.16.Final

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
io.undertow:undertow-servlet (source)	2.3.15.Final -> 2.3.16.Final

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Release Notes

undertow-io/undertow (io.undertow:undertow-servlet)

v2.3.16.Final

Compare Source

Release Notes - Undertow - Version 2.3.16.Final

Bug

• [UNDERTOW-2256] - Resource predicate presentation differs depending on how it is set up
• [UNDERTOW-2312] - multibytes language in URL request to http/https are broken in EAP access log.
• [UNDERTOW-2381] - Invalid/benevolent hpack decoding of huffman-encoded string literal with EOS symbol
• [UNDERTOW-2424] - Undertow produces malformed Http/1.1 responses under heavy concurrent load
• [UNDERTOW-2425] - io.undertow.servlet.spec.ServletPrintWriter.close() high CPU when encoding characters on previously errored writer

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