v5.3.4.RELEASE

Change log:

f383cc2 (5.3.x) Upgrade dependencies; prepare for release
af725a8 Fix mngmt dependency for MetricsCaptor
72232ea GH-3425: Remove mngmt gauges from CtxClosedEvent
927ba8f Revert LogAccessor API in TcpReceivChannelAdapter
21b695d Remove other incorrectly cherry-picked files
138b79f Remove Kafka Gateway from cherry-pick
002382e Rely on MProducerSupport.active for Flux (#3423)
27b464a GH-3418: Fix Poller Undeclared Checked Exceptions