Update mbedtls version to 3.0.0 from 2.25.0

[enwi]

Also fix some code bugs
closes #77

[codecov]

Codecov Report

Merging #78 (d6fe8a8) into development (06ec433) will decrease coverage by 0.06%.
The diff coverage is 50.00%.

@@               Coverage Diff               @@
##           development      #78      +/-   ##
===============================================
- Coverage        80.81%   80.75%   -0.07%     
===============================================
  Files              101      101              
  Lines             9311     9318       +7     
===============================================
  Hits              7525     7525              
- Misses            1786     1793       +7     

Impacted Files	Coverage Δ
src/EntertainmentMode.cpp	0.00% <0.00%> (ø)
src/Scene.cpp	95.42% <100.00%> (ø)
src/SimpleColorHueStrategy.cpp	97.14% <100.00%> (ø)
src/TimePattern.cpp	95.14% <100.00%> (ø)
test/test_ColorUnits.cpp	100.00% <100.00%> (ø)

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