Upgrade xk6-dashboard to v0.7.4 (sobek)

[szkiba]

What?

Upgrade xk6-dashboard to v0.7.4

Why?

v0.7.4 release created to use sobek instead of goja.

Checklist

• I have performed a self-review of my code.
• I have added tests for my changes.
• I have run linter locally (make lint) and all checks pass.
• I have run tests locally (make tests) and all tests pass.
• I have commented on my code, particularly in hard-to-understand areas.

Related PR(s)/Issue(s)

• Fork the goja project #3772
• Moving to a goja fork #3773

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 67.50000% with 13 lines in your changes missing coverage. Please review.

Project coverage is 71.87%. Comparing base (e5b00db) to head (188da55).
Report is 1 commits behind head on master.

❗ Current head 188da55 differs from pull request most recent head b0697dd

Please upload reports for the commit b0697dd to get more accurate results.

Files	Patch %	Lines
js/modules/k6/experimental/streams/module.go	67.50%	9 Missing and 4 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3780      +/-   ##
==========================================
+ Coverage   70.84%   71.87%   +1.03%     
==========================================
  Files         291      291              
  Lines       21222    21247      +25     
==========================================
+ Hits        15035    15272     +237     
+ Misses       5222     4913     -309     
- Partials      965     1062      +97     

Flag	Coverage Δ
ubuntu	71.80% <67.50%> (+1.01%)	⬆️
windows	71.72% <67.50%> (+1.00%)	⬆️

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