[Nginx] Add Missing ECS Field Mappings

[MakoWish]

Type of change

• Bug

What does this PR do?

This PR corrects a field mapping conflict in the logs-* Data View from Nginx incorrectly mapping source.geo.dma_code, source.geo.postal_code, and related.ip.

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 incremented the version in my package's manifest.yml file.
• I have verified that Kibana version constraints are current according to guidelines.

How to test this PR locally

Related issues

• Closes [Nginx] Missing ECS Field Mappings #6917

Screenshots

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• Start Time: 2023-08-24T17:26:42.327+0000

• Duration: 16 min 17 sec

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Failed	0
Passed	22
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Total	22

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[botelastic]

Hi! We just realized that we haven't looked into this PR in a while. We're sorry! We're labeling this issue as Stale to make it hit our filters and make sure we get back to it as soon as possible. In the meantime, it'd be extremely helpful if you could take a look at it as well and confirm its relevance. A simple comment with a nice emoji will be enough :+1. Thank you for your contribution!

[efd6]

/test

[ali786XI]

/test

[elasticmachine]

🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (2/2)	💚
Files	50.0% (2/4)	👎 -50.0
Classes	50.0% (2/4)	👎 -50.0
Methods	69.231% (27/39)	👎 -30.769
Lines	70.37% (228/324)	👎 -29.63
Conditionals	100.0% (0/0)	💚

[lalit-satapathy]

Thanks for filing the PR!

[lalit-satapathy]

Do we need to add these mapping for destination.geo.*, as I dont see these fields being populated somewhere in nginx.

[MakoWish]

They are not populated by Nginx, but any customer that wants to enrich the data with Geo Location will require these fields to be mapped.

[botelastic]

Hi! We just realized that we haven't looked into this PR in a while. We're sorry! We're labeling this issue as Stale to make it hit our filters and make sure we get back to it as soon as possible. In the meantime, it'd be extremely helpful if you could take a look at it as well and confirm its relevance. A simple comment with a nice emoji will be enough :+1. Thank you for your contribution!

[botelastic]

Hi! This PR has been stale for a while and we're going to close it as part of our cleanup procedure. We appreciate your contribution and would like to apologize if we have not been able to review it, due to the current heavy load of the team. Feel free to re-open this PR if you think it should stay open and is worth rebasing. Thank you for your contribution!