feat: tag var shadowing, same scope

[LuLaValva]

Description

This is now allowed:

<let/x = 0/>
<div>
  <div>
    <let/x = 1/>
    ${x} // 1
  </div>
  ${x} // 0
</div>

Checklist:

• I have read the CONTRIBUTING document and have signed (or will sign) the CLA.
• I have updated/added documentation affected by my changes.
• I have added tests to cover my changes.

[changeset-bot]

⚠️ No Changeset found

Latest commit: c994d88

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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[codecov]

Codecov Report

Attention: Patch coverage is 87.27273% with 7 lines in your changes missing coverage. Please review.

Project coverage is 88.05%. Comparing base (3a820ad) to head (c994d88).
Report is 1 commits behind head on main.

Files	Patch %	Lines
packages/translator-tags/src/util/references.ts	82.35%	6 Missing ⚠️
packages/translator-tags/src/core/let.ts	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2272      +/-   ##
==========================================
- Coverage   88.05%   88.05%   -0.01%     
==========================================
  Files         338      338              
  Lines       34963    35002      +39     
  Branches     2044     2054      +10     
==========================================
+ Hits        30788    30822      +34     
- Misses       4162     4167       +5     
  Partials       13       13              

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