Fix adapted_grid failure

[ffreyer]

Description

With Julia 1.11 the "scatter inputs" refimg now fails because rand(MersenneTwister(1337)) which is used in PlotUtils.adapted_grid() produces different results.

This pr aims to fix the Problem by allowing StableRNG to be passed.

Some Notes:

• passing the rng through used_attributes may not be a very stable solution, and it requires explicit passing in refimg tests
• setting the rng as a global ref in Makie and changing it for CI would mean that two plots with same inputs would generate different data as the rng advances
  • calling seed! to reset the rng would solve that issue, but we can't use Random.default_rng() in that case (we mustn't reset the global rng)

Type of change

Delete options that do not apply:

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist

• Added an entry in CHANGELOG.md (for new features and breaking changes)
• Added or changed relevant sections in the documentation
• Added unit tests for new algorithms, conversion methods, etc.
• Added reference image tests for new plotting functions, recipes, visual options, etc.