Bump jetty-webapp from 9.3.28.v20191105 to 9.4.34.v20201102#2

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dependabot/maven/org.eclipse.jetty-jetty-webapp-9.4.34.v20201102datadistillr/drill:dependabot/maven/org.eclipse.jetty-jetty-webapp-9.4.34.v20201102Copy head branch name to clipboard