chore: update mux.js to v7.0.1

[wseymour15]

Description

Update mux.js to v7.0.1

Requirements Checklist

• Feature implemented / Bug fixed
• If necessary, more likely in a feature request than a bug fix
  • Unit Tests updated or fixed
  • Docs/guides updated
  • Example created (starter template on JSBin)
• Reviewed by Two Core Contributors

[codecov]

Codecov Report

Merging #1435 (33ffc9f) into main (fcd2e8a) will decrease coverage by 0.05%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #1435      +/-   ##
==========================================
- Coverage   85.99%   85.94%   -0.05%     
==========================================
  Files          42       42              
  Lines       10430    10436       +6     
  Branches     2413     2414       +1     
==========================================
  Hits         8969     8969              
- Misses       1461     1467       +6     

see 1 file with indirect coverage changes

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