v5.3.0.RELEASE

Change log:

9e1979f Upgrade dependencies; prepare for release
bf0260a GH-3276: reactive inbound: Fix onErrorResume
7905658 Fix RESOLVABLE_TYPE header population
6bd5ca4 Fix XML examples in handler-advice reference doc
aa26d2f Fix typo in reference manual
d71fb2e GH-3271: Close session on error in stream source
f047f05 Fix Checkstyle to rely on the absolute path
3e63fe4 BoundRabbitChannelAdvice - reject invalid config