Bump undertow-core from 1.1.1.Final to 2.2.11.Final in /spring-boot-dependencies#15

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dependabot/maven/spring-boot-dependencies/io.undertow-undertow-core-2.2.11.Finaldevilelephant/spring-boot:dependabot/maven/spring-boot-dependencies/io.undertow-undertow-core-2.2.11.FinalCopy head branch name to clipboard