couchbase: add support for http request trace logging

[efd6]

What does this PR do?

Add support for HTTP request trace logging.

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

• For Missing enable_request_tracer option for httpjson/cel inputs #7228

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Build stats

• Start Time: 2023-08-10T07:12:06.994+0000

• Duration: 28 min 1 sec

Test stats 🧪

Test	Results
Failed	0
Passed	45
Skipped	0
Total	45

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🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (10/10)	💚
Files	100.0% (10/10)	💚 3.379
Classes	100.0% (10/10)	💚 3.379
Methods	100.0% (72/72)	💚 8.173
Lines	100.0% (1076/1076)	💚 11.797
Conditionals	100.0% (0/0)	💚

[elasticmachine]

Pinging @elastic/security-external-integrations (Team:Security-External Integrations)

[milan-elastic]

LGTM

[elasticmachine]

Package couchbase - 1.1.0 containing this change is available at https://epr.elastic.co/search?package=couchbase