Update Solana implementation, Solana v1.0

[CriesofCarrots]

Description

Update to Solana v1.0 abi changes: staking and RPC sendTransaction

Testing instructions

Unit tests

Types of changes

• Breaking change to Solana only

Checklist

• Prefix PR title with [WIP] if necessary.
• Add tests to cover changes as needed.
• Update documentation as needed.
• If there is a related Issue, mention it in the description

[codecov]

Codecov Report

Merging #881 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #881      +/-   ##
==========================================
+ Coverage   92.04%   92.04%   +<.01%     
==========================================
  Files         343      343              
  Lines       11669    11670       +1     
==========================================
+ Hits        10741    10742       +1     
  Misses        928      928

Impacted Files	Coverage Δ
src/Solana/Signer.cpp	100% <100%> (ø)	⬆️
src/Solana/Transaction.h	98.65% <100%> (ø)	⬆️
src/Solana/Transaction.cpp	100% <100%> (ø)	⬆️

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