Fix scale control default parameters

[vicb]

Before this CL, the following would generate an error:

const scaleCtrl = new ScaleControl():

because options is not marked as optional.

Launch Checklist

• Confirm your changes do not include backports from Mapbox projects (unless with compliant license) - if you are not sure about this, please ask!
• Briefly describe the changes in this PR.
• Link to related issues.
• Include before/after visuals or gifs if this PR includes visual changes.
• Write tests for all new functionality.
• Document any changes to public APIs.
• Post benchmark scores.
• Add an entry to CHANGELOG.md under the ## main section.

[HarelM]

Can you please add a changelog item?

[vicb]

@HarelM thanks for the quick feedback. Done.

[vicb]

Done.
It would be nice to switch to something like conventional change logs to auto generate the change log

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 62.77%. Comparing base (da9ac17) to head (f74d038).
Report is 5 commits behind head on main.

Files	Patch %	Lines
src/ui/control/scale_control.ts	0.00%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #4002       +/-   ##
===========================================
- Coverage   86.89%   62.77%   -24.12%     
===========================================
  Files         242      239        -3     
  Lines       32483    32255      -228     
  Branches     2126     1468      -658     
===========================================
- Hits        28226    20248     -7978     
- Misses       3328    11228     +7900     
+ Partials      929      779      -150     

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[HarelM]

Feel free to push this auto changelog forward, I didn't find something that is easy enough to use and is clear how the commit messages should look in order for it to work properly...
But I might haven't searched enough.