VM Unit Tests

[shargon]

• Fixed GAS cost in InteropService
• Fixed bug with Array type

[shargon]

I included the updated Neo.VM library for merge this until Neo release the last patch of the VM

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (development@088415c). Click here to learn what that means.
The diff coverage is 42.85%.

@@              Coverage Diff               @@
##             development     #561   +/-   ##
==============================================
  Coverage               ?   51.71%           
==============================================
  Files                  ?      359           
  Lines                  ?    16246           
  Branches               ?        0           
==============================================
  Hits                   ?     8402           
  Misses                 ?     7844           
  Partials               ?        0

Impacted Files	Coverage Δ
src/NeoSharp.VM/Collections/Stack.cs	39.74% <100%> (ø)
src/NeoSharp.VM/Types/InteropService.cs	54.54% <100%> (ø)
test/NeoSharp.VM.TestHelper/VMUTEntry.cs	100% <100%> (ø)
src/NeoSharp.VM.NeoVM/StackItems/ArrayStackItem.cs	35.59% <100%> (ø)
src/NeoSharp.Core/VM/StateMachine.cs	21.92% <31.03%> (ø)
src/NeoSharp.Core/VM/StateReader.cs	31.21% <33.33%> (ø)
src/NeoSharp.Core/Models/StorageKey.cs	56.25% <40%> (ø)
src/NeoSharp.Core/VM/StorageContext.cs	83.33% <75%> (ø)

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