MWPW-144360 Prototype pollution tag selector

[Brandon32]

• Prevent prototype pollution detected by kodiak by using Object.create(null) and controlled keys.
• Add lana message for consumer tag errors.

Resolves: MWPW-144360

Test URLs:

• Before: https://main--milo--adobecom.hlx.page/tools/tag-selector/?martech=off
• After: https://bmarshal-tag-prototype--milo--adobecom.hlx.page/tools/tag-selector?martech=off

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Commits

• 1f90361 ✅ (latest)

[aem-code-sync]

	Page	Scores	Audits	Google
📱	/tools/tag-selector?martech=off
🖥️	/tools/tag-selector?martech=off

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.30%. Comparing base (5d8d656) to head (1f90361).
Report is 8 commits behind head on stage.

Additional details and impacted files

@@           Coverage Diff            @@
##            stage    #2967    +/-   ##
========================================
  Coverage   96.30%   96.30%            
========================================
  Files         242      242            
  Lines       54873    54999   +126     
========================================
+ Hits        52845    52967   +122     
- Misses       2028     2032     +4     

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