[Snyk] Security upgrade io.undertow:undertow-core from 2.2.13.Final to 2.3.20.Final

[snyk-io[bot]]

Snyk has created this PR to fix 1 vulnerabilities in the maven dependencies of this project.

Snyk changed the following file(s):

• log4shell-goof/log4shell-server/pom.xml

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score	Upgrade
	Allocation of Resources Without Limits or Throttling (MadeYouReset) SNYK-JAVA-IOUNDERTOW-12458577	649	io.undertow:undertow-core: 2.2.13.Final -> 2.3.20.Final No Known Exploit

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