Bump undertow-core from 2.2.11.Final to 2.2.15.Final in /fabric-executor#25

dependabot[bot] wants to merge 1 commit intodevelopolacabs/fabric:developfrom

dependabot/maven/fabric-executor/io.undertow-undertow-core-2.2.15.Finalolacabs/fabric:dependabot/maven/fabric-executor/io.undertow-undertow-core-2.2.15.FinalCopy head branch name to clipboard