Update for MQ 9.3.4

ibmmqmet released this 19 Oct 12:27

· 262 commits to master since this release

1129560

Update to MQ 9.3.4
Fix Prometheus label cardinality when reporting disconnect (#245)
Add hints about monitoring "large" queue managers in TUNING.md
Make sure missing YAML configuration attributes have reasonable defaults
Update all vendored dependencies

Assets 2