trellix_epo_cloud: add support for http request trace logging

[efd6]

What does this PR do?

Adds support for CEL input-based 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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• Start Time: 2023-08-10T03:13:59.573+0000

• Duration: 16 min 59 sec

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Test	Results
Failed	0
Passed	24
Skipped	0
Total	24

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🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (3/3)	💚
Files	100.0% (3/3)	💚 10.0
Classes	100.0% (3/3)	💚 10.0
Methods	100.0% (41/41)	💚 15.455
Lines	88.652% (1125/1269)	👎 -3.997
Conditionals	100.0% (0/0)	💚

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

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Package trellix_epo_cloud - 1.3.0 containing this change is available at https://epr.elastic.co/search?package=trellix_epo_cloud