Fixes for #222

Fix #222 and ibm-messaging/mq-metric-samples#395

Update for MQ 9.4.2

• Update for MQ 9.4.2

ibmmq

• Add function to map PCF attribute values to strings
• Interpret more PCF types (the filters)
• MaxSCOLength fix - PR #216
• Add MQIGolangVersion function
• Handle MQ C client callbacks with wrong hObj (#217)

mqmetric

• Ignore the new EXTENDED queue metrics unless explicitly enabled
• Deal with possible duplication of metrics between QSTATUS and published QSTAT values.
  Without this change, Prometheus (at least) will panic. The system topic metrics were extended in MQ 9.4.2
  and potentially in various fixpacks for older LTS releases; this version of the collector code is required
  once you reach those qmgr levels.
• Recognise Native HA Cross-region replication metrics

ibmmqotel

• Fix concurrent maps (#218)

samples

• Modify amqspcf.go to use PCF mapping functions
• Ensure Dockerfile examples do not pull base images from Dockerhub
• Remove unnecessary (incorrect) declarations

v5.6.1

• Update for MQ 9.4.1
• Some linter-suggested code changes
• ibmmq - Support for new MQSCO HTTPS fields
• ibmmq - Support for MQRFH2 structures
• mqmetric - Force conversion to 1208 for resource metrics (#345)
• New package for instrumenting applications for OpenTelemetry Tracing

Update for MQ 9.4.0

Update for MQ 9.4.0

Update for MQ 9.3.5

• Update for MQ 9.3.5
• ibmmq - Add simple tracing for MQI calls (MQIGO_TRACE env var)
• samples - Add sample obtaining and using a JWT token
• Make Go 1.18 baseline compiler

MQ93 reformatted subs for resource metrics

• mqmetric - MQ 9.3 permits resource subscriptions for queues with '/' in name

Bug fixes

ibmmq - Data race in MQINQ attribute handling (#204)
mqmetric - Deal with empty QueueSubFilter

Update for MQ 9.3.4

• Update for MQ 9.3.4
• ibmmq - Support for new CSP JWT Token field
• mqmetric - metrics.txt now includes the published resource metrics, automatically generated
  from product documentation
• Refresh links to IBM documentation

Update for MQ 9.3.3

Update for MQ 9.3.3

Update for MQ V9.3.2

• Update for MQ 9.3.2
• mqmetric - Add hostname tag for 9.3.2 qmgrs (added to DIS QMSTATUS response) (ibm-messaging/mq-metric-samples#184)
• mqmetric - Add subscriptions to NativeHA published metrics
• mqmetric - Add metrics for status of log extents