[O11y][CouchDB] Lens migration for visualizations to Kibana version 8.4.0

[rajvi-patel-22]

• Enhancement

What does this PR do?

• Migrate visualizations to lens for CouchDB integration package

• Statistics for CouchDB Lens migration:

CouchDB dashboard	Before Migration		After Migration
	Lens	Visualization	Lens	Visualization
[Metrics CouchDB] Server	0	8	8	0
	0	8	8	0

Checklist

• I have added an entry to my package's changelog.yml file.
• I have verified that panels are populated with data.
• I have verified that panels are not distorted after being migrated to lens.
• I have updated screenshots of dashboard.
• I have verified that data count are matching and panel aggregations are same as before.

Author's Checklist

• Migrated panels should be removed from visualization folder.
• Migrated visualizations are populating in current Kibana version 8.4.0 itself.

Related issues

• Relates Lens Migration of OBS integrations #5221

[elasticmachine]

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Build stats

• Start Time: 2023-03-17T11:10:11.855+0000

• Duration: 14 min 41 sec

Test stats 🧪

Test	Results
Failed	0
Passed	5
Skipped	0
Total	5

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🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (1/1)	💚
Files	100.0% (1/1)	💚 3.432
Classes	100.0% (1/1)	💚 3.432
Methods	100.0% (7/7)	💚 8.84
Lines	94.175% (194/206)	👍 2.792
Conditionals	100.0% (0/0)	💚

[kush-elastic]

LGTM!

[agithomas]

LGTM!

[elasticmachine]

Package couchdb - 0.4.0 containing this change is available at https://epr.elastic.co/search?package=couchdb