Bump vertx-web from 3.5.3 to 3.9.4 in /server/vertx#12

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masterWeTheInternet/xapi:masterfrom

dependabot/maven/server/vertx/io.vertx-vertx-web-3.9.4WeTheInternet/xapi:dependabot/maven/server/vertx/io.vertx-vertx-web-3.9.4Copy head branch name to clipboard