✨ Implement Versioned Transactions

[GabrielePicco]

Implement Versioned Transactions

Status	Type	⚠️ Core Change	Issue
Ready	Feature	Yes	#43

Problem

• Versioned Transactions were not supported, see issue Implement Versioned Transactions #43

Solution

• Added a VersionedTransaction class which can serialize/deserialize Versioned Transactions, implemented following web3.js implementation
• VersionedTransaction contains the AddressTableLookups
• Transaction.Deserialize use the prefix byte to auto-detected if the transaction is legacy or versioned and uses the correct implementation

[coveralls]

Pull Request Test Coverage Report for Build 6153600844

• 221 of 253 (87.35%) changed or added relevant lines in 7 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+0.6%) to 73.68%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/Solana.Unity.Rpc/Models/Message.cs	3	5	60.0%
src/Solana.Unity.Rpc/Models/VersionedMessage.cs	102	110	92.73%
src/Solana.Unity.Rpc/Models/VersionedTransaction.cs	54	64	84.38%
src/Solana.Unity.Rpc/Builders/VersionedMessageBuilder.cs	55	67	82.09%

Files with Coverage Reduction	New Missed Lines	%
src/Solana.Unity.Rpc/Core/Http/CrossHttpClient.cs	1	9.38%

Totals
Change from base Build 5926307434:	0.6%
Covered Lines:	4982
Relevant Lines:	6466

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💛 - Coveralls