ActiveMQ added dimensions for broker datastream

[agithomas]

• Enhancement

What does this PR do?

Added TSDB dimensions related changes for ActiveMQ package, broker datastream

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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Build stats

• Start Time: 2023-06-06T05:13:51.588+0000

• Duration: 19 min 40 sec

Test stats 🧪

Test	Results
Failed	0
Passed	26
Skipped	0
Total	26

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🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (2/2)	💚
Files	100.0% (2/2)	💚 2.958
Classes	100.0% (2/2)	💚 2.958
Methods	95.833% (23/24)	👍 4.034
Lines	85.321% (93/109)	👎 -6.74
Conditionals	100.0% (0/0)	💚

[ritalwar]

LGTM!

[elasticmachine]

Package activemq - 0.9.0 containing this change is available at https://epr.elastic.co/search?package=activemq