Bump jetty-version from 7.5.4.v20111024 to 9.4.21.v20190926#2

dependabot[bot] wants to merge 1 commit intomasterkrasserm/ipf-runtime:masterfrom

dependabot/maven/jetty-version-9.4.21.v20190926krasserm/ipf-runtime:dependabot/maven/jetty-version-9.4.21.v20190926Copy head branch name to clipboard