Allow a custom Logger to be used as the backend for boa_runtime::Console

[hansl]

There are some cleanup that could be done in the number of lines of codes, but this was the smallest change I could do to make the change.

This comes from a need to implement Console with using tracing as the backend. Please note that there is an issue here where multiple logs in the same function (e.g. console.trace()) would output into multiple log entries. This should probably be fixed in a following PR (as this one is already large enough).

[codecov]

Codecov Report

Attention: Patch coverage is 51.61290% with 30 lines in your changes missing coverage. Please review.

Project coverage is 51.44%. Comparing base (6ddc2b4) to head (7d662ec).
Report is 229 commits behind head on main.

Files	Patch %	Lines
core/runtime/src/console/mod.rs	51.61%	30 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3943      +/-   ##
==========================================
+ Coverage   47.24%   51.44%   +4.19%     
==========================================
  Files         476      468       -8     
  Lines       46892    45168    -1724     
==========================================
+ Hits        22154    23235    +1081     
+ Misses      24738    21933    -2805     

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[jedel1043]

Looks perfect to me!

[jasonwilliams]

LGTM (apart from comment), thanks @hansl

[hansl]

I made the change, PTAL. Sorry I asked for a re-review from @jedel1043 by mistake.