Change log:
9905432 (5.3.x) Upgrade dependencies; prepare for release
93fc5bf Fix another Derby test in favor of H2
5d85f00 GH-3455: default MqttMessConv.toMessageBuilder()
4947e3e GH-3454: From MQTT conversion error - to error ch (#3456)
41da462 Add https://plugins.gradle.org/m2 repo into build
a173664 GH-3445: Fix JdbcLock for IllegalMonitorStateEx
1c25683 (ohubaut/5.3.x) Adjust repositories in the build.gradle
afc64e4 GH-3434: Optimize unlinkAvailable in Redis