Add language to metrics

[albfan]

fixes #4755

Summary by Sourcery

New Features:

• Capture system language from LANG environment variable and include it in analytics traits on Linux

[sourcery-ai]

Reviewer's Guide

This PR extends Linux analytics traits by capturing the system’s LANG environment variable and including it in the metrics payload.

File-Level Changes

Change	Details	Files
Include language setting in analytics traits on Linux	Retrieve LANG from the environment using os.Getenv Chain a Set("lang", ...) call onto the existing traits builder	pkg/crc/segment/traits_linux.go

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#4755	Gather platform, OS, language, and country information for telemetry.	✅
#4755	Identify crc usages.	❌	The PR only adds language information to the metrics and does not identify crc usages.

Possibly linked issues

• Info provided in telemetry #4755: PR adds language to telemetry metrics, addressing the issue's request for more info.

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[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:
Once this PR has been reviewed and has the lgtm label, please assign praveenkumar for approval. For more information see the Code Review Process.

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[sourcery-ai]

Hey @albfan - I've reviewed your changes and they look great!

Here's what I looked at during the review

• 🟡 General issues: 1 issue found
• 🟢 Testing: all looks good
• 🟢 Documentation: all looks good

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[sourcery-ai]

suggestion (bug_risk): Consider using os.LookupEnv to avoid adding empty lang trait

os.Getenv returns an empty string if LANG isn’t set, resulting in an empty 'lang' trait. Use os.LookupEnv to only set the trait when LANG is defined.

[albfan]

This still miss mac and windows implementation

[praveenkumar]

@albfan do you plan to work on missing implementations or should we close it.