Update for MQ 9.4.3.

See CHANGELOG for detailed info

Update to MQ 9.4.2

Update for MQ 9.4.1

Update for MQ 9.4.0. See CHANGELOG for more

Change Dockerfile base build image

* Update for MQ 9.3.5

* Update all vendored dependencies
* Add metadata label configuration options
* Update to Go 1.20 as baseline
* Add EXPERIMENTAL OpenTelemetry emitter

Pick up latest mq-golang fixes

* 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

update CHANGELOG

* Update to MQ 9.3.2

* Add hostname tag for qmgrs running 9.3.2
* Add NativeHA metrics to all collectors