[TSDB] Couchdb add dimension fields

[agithomas]

Type of change

• Enhancement

What does this PR do?

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.

Author's Checklist

• [ ]

How to test this PR locally

Related issues

Screenshots

[elasticmachine]

💚 Build Succeeded

the below badges are clickable and redirect to their specific view in the CI or DOCS

Expand to view the summary

Build stats

• Start Time: 2023-04-11T12:03:11.479+0000

• Duration: 15 min 16 sec

Test stats 🧪

Test	Results
Failed	0
Passed	5
Skipped	0
Total	5

🤖 GitHub comments

Expand to view the GitHub comments

To re-run your PR in the CI, just comment with:

• /test : Re-trigger the build.

[elasticmachine]

🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (1/1)	💚
Files	100.0% (1/1)	💚
Classes	100.0% (1/1)	💚
Methods	100.0% (7/7)	💚 33.333
Lines	94.175% (194/206)	👎 -0.011
Conditionals	100.0% (0/0)	💚

[ritalwar]

LGTM!

[elasticmachine]

Package couchdb - 0.5.0 containing this change is available at https://epr.elastic.co/search?package=couchdb