Bump vertx-core from 3.5.2 to 3.5.4 in /mongo/mongo-side/mongo-async-side

[dependabot[bot]]

Bumps vertx-core from 3.5.2 to 3.5.4.

Commits

• 771b499 Releasing 3.5.4
• 269a583 CVE-2018-12541: When a WebSocket upgrade has a body > 8192 send an appropriat...
• 616a034 Use public visibiliy for converters as ceylon needs it internally
• 0d67ff6 Test to check whether travis builds or not while there is no travis descriptor
• fcef656 Fixes #2619: properly handle plus signs when resolving paths (#2623)
• 83e94f6 RecordParser: Limit the record size (#2635)
• 20c2669 HttpServerResponse content headers improvements - fixes #2630 - fixes #2607
• e1f6fed VertxHttpHeaders#add(CharSequence,CharSequence) does not used AsciiString cac...
• a9a7fb0 Get the list of enabled cipher suite for testing from the JDK
• 254808c Improve the ALPN detection to work on latest JDK 11 - fixes #2625
• Additional commits viewable in compare view

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