MWPW-154250 Update India lang code

[Brandon32]

• Update India lang code from “en-GB” to “en-IN” to fix Marketo form privacy link mapping.

To verify, check the top HTML lang value.

Resolves: MWPW-154250

Test URLs:

• Before: https://main--bacom--adobecom.hlx.live/in/?martech=off
• After: https://bmarshal-in-lang--bacom--adobecom.hlx.live/in/?martech=off

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Commits

• 98c536a ✅ (latest)

[aem-code-sync]

Page	Scores	Audits	Google
/in/?martech=off

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.21%. Comparing base (627cdea) to head (98c536a).
Report is 32 commits behind head on stage.

Additional details and impacted files

@@           Coverage Diff           @@
##            stage     #223   +/-   ##
=======================================
  Coverage   96.21%   96.21%           
=======================================
  Files          11       11           
  Lines        1082     1082           
=======================================
  Hits         1041     1041           
  Misses         41       41           

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