Extend default color map

[jeremykubica]

Closes #795

Extend the color map when we have >7 filters.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.48%. Comparing base (b3441ad) to head (03638e2).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #796   +/-   ##
=======================================
  Coverage   92.47%   92.48%           
=======================================
  Files          71       71           
  Lines        6736     6743    +7     
=======================================
+ Hits         6229     6236    +7     
  Misses        507      507           

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[github-actions]

Before [b3441ad] <v0.3.8>	After [c0eefee]	Ratio	Benchmark (Parameter)
1.35±0.5ms	1.67±0.8ms	~1.24	benchmarks.TimeSuite.time_evaluate_simple_linear_wavelength_model
169±1μs	173±5μs	1.02	benchmarks.TimeSuite.time_make_and_evaluate_step_model
118±2ms	119±2ms	1.01	benchmarks.TimeSuite.time_additive_multi_model_source
9.99±0.3ms	10.1±0.5ms	1.01	benchmarks.TimeSuite.time_evaluate_salt3_model
5.37±0.2ms	5.44±0.1ms	1.01	benchmarks.TimeSuite.time_evaluate_salt3_passbands
6.92±0.04ms	7.01±0.04ms	1.01	benchmarks.TimeSuite.time_lightcurve_source
10.7±0.07ms	10.8±0.09ms	1.01	benchmarks.TimeSuite.time_load_passbands
68.6±0.5ms	69.2±1ms	1.01	benchmarks.TimeSuite.time_make_and_evaluate_static_sed
116±2μs	117±3μs	1.01	benchmarks.TimeSuite.time_sample_x0_from_distmod
16.2±0.07μs	16.3±0.4μs	1.01	benchmarks.TimeSuite.time_sample_x1_from_hostmass

Click here to view all benchmarks.

[hombit]

I approve it, but while we are changing this code, we have a good chance to improve it.
Let's use tab10 for a small amount of colors. It is more consistent with tab20, and I believe it is more colorblind-friendly than "bgrcmyk."