Use bytes instead of sequence<u8> in UDL

[AArnott]

No description provided.

[codecov]

Codecov Report

Attention: 111 lines in your changes are missing coverage. Please review.

Comparison is base (4a17bdc) 75.16% compared to head (e789980) 75.33%.
Report is 3 commits behind head on main.

Files	Patch %	Lines
src/Nerdbank.Zcash/RustBindings/LightWallet.cs	0.00%	109 Missing ⚠️
src/Nerdbank.Zcash/LightWalletClient.cs	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #171      +/-   ##
==========================================
+ Coverage   75.16%   75.33%   +0.16%     
==========================================
  Files         155      155              
  Lines        9016     8999      -17     
  Branches      829      828       -1     
==========================================
+ Hits         6777     6779       +2     
+ Misses       2039     2019      -20     
- Partials      200      201       +1     

Flag	Coverage Δ
LinuxHost	75.33% <0.00%> (+0.16%)	⬆️
Release	75.33% <0.00%> (+0.16%)	⬆️
WindowsHost	75.33% <0.00%> (+0.16%)	⬆️
macOSHost	75.33% <0.00%> (+0.16%)	⬆️

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