Add macosArm64 target

[twyatt]

No description provided.

[codecov]

Codecov Report

Merging #123 (8e9f148) into main (56a59f1) will increase coverage by 0.36%.
The diff coverage is 33.33%.

@@             Coverage Diff              @@
##               main     #123      +/-   ##
============================================
+ Coverage     57.25%   57.62%   +0.36%     
  Complexity       11       11              
============================================
  Files             8        8              
  Lines           613      656      +43     
  Branches        145      145              
============================================
+ Hits            351      378      +27     
- Misses          223      239      +16     
  Partials         39       39              

Impacted Files	Coverage Δ
koap/src/commonMain/kotlin/Message.kt	57.44% <33.33%> (-1.79%)	⬇️
koap/src/commonMain/kotlin/Debug.kt	26.08% <0.00%> (-1.19%)	⬇️
koap/src/commonMain/kotlin/ByteArrayReader.kt	68.08% <0.00%> (-0.10%)	⬇️
koap/src/commonMain/kotlin/Decoder.kt	53.74% <0.00%> (+1.62%)	⬆️
koap/src/commonMain/kotlin/Encoder.kt	71.69% <0.00%> (+3.27%)	⬆️
koap/src/commonMain/kotlin/Option.kt	26.31% <0.00%> (+4.09%)	⬆️

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[QuantumRand]

Wow, hard to believe it can be this simple when there's no platform specific source sets