IBM-MQ added dimension fields

[agithomas]

• Enhancement

What does this PR do?

Added TSDB dimensions related changes as beta release for IBM MQ package

Checklist

• I have reviewed tips for building integrations and this pull request is aligned with them.
• I have verified that all data streams collect metrics or logs.
• I have added an entry to my package's changelog.yml file.
• I have verified that Kibana version constraints are current according to guidelines.

[elasticmachine]

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• Start Time: 2023-06-06T07:02:37.473+0000

• Duration: 15 min 54 sec

Test stats 🧪

Test	Results
Failed	0
Passed	14
Skipped	0
Total	14

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🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (2/2)	💚
Files	100.0% (2/2)	💚
Classes	100.0% (2/2)	💚
Methods	100.0% (20/20)	💚 2.941
Lines	98.904% (451/456)	👍 3.673
Conditionals	100.0% (0/0)	💚

[ritalwar]

LGTM!

[elasticmachine]

Package ibmmq - 0.6.0 containing this change is available at https://epr.elastic.co/search?package=ibmmq