feat(csharp): implement rented message polling

[lukaszzborek]

• add rented with bytes renting from pool
• refactor normal pooling api to return fully safe object

Some notes:

• new rented api can save 1 or 2 allocations of message content
• it's quite big changes, so i decided to split it to more parts
• currently header mapping is lazy, it will be change after decryption change

Whats next in next pr

• change encryption/decryption - move it to IggyClient and add rented api to it
• add similar rented/memory/span api to message sending

[codecov]

Codecov Report

❌ Patch coverage is 78.23834% with 126 lines in your changes missing coverage. Please review.
✅ Project coverage is 73.86%. Comparing base (69177a1) to head (a28b2fb).
⚠️ Report is 8 commits behind head on master.

Files with missing lines	Patch %	Lines
...n/csharp/Iggy_SDK/Consumers/IggyConsumer.Rented.cs	62.58%	43 Missing and 9 partials ⚠️
...SDK/IggyClient/Implementations/TcpMessageStream.cs	82.73%	9 Missing and 20 partials ⚠️
foreign/csharp/Iggy_SDK/Consumers/IggyConsumer.cs	33.33%	13 Missing and 3 partials ⚠️
...reign/csharp/Iggy_SDK/Contracts/MessageResponse.cs	68.96%	9 Missing ⚠️
foreign/csharp/Iggy_SDK/Mappers/BinaryMapper.cs	92.47%	3 Missing and 4 partials ⚠️
...csharp/Iggy_SDK/Consumers/ReceivedRentedMessage.cs	87.87%	3 Missing and 1 partial ⚠️
...oreign/csharp/Iggy_SDK/IggyClient/IIggyConsumer.cs	0.00%	4 Missing ⚠️
...reign/csharp/Iggy_SDK/Consumers/IggyConsumerOfT.cs	94.87%	0 Missing and 2 partials ⚠️
...csharp/Iggy_SDK/Contracts/RentedMessageResponse.cs	94.11%	0 Missing and 1 partial ⚠️
.../csharp/Iggy_SDK/Extensions/IggyClientExtension.cs	0.00%	1 Missing ⚠️
... and 1 more

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #3250      +/-   ##
============================================
+ Coverage     73.83%   73.86%   +0.03%     
  Complexity      943      943              
============================================
  Files          1190     1194       +4     
  Lines        107833   108196     +363     
  Branches      84850    84913      +63     
============================================
+ Hits          79614    79915     +301     
- Misses        25467    25495      +28     
- Partials       2752     2786      +34     

Components	Coverage Δ
Rust Core	74.88% <ø> (ø)
Java SDK	60.14% <ø> (ø)
C# SDK	70.26% <78.23%> (+0.82%)	⬆️
Python SDK	81.43% <ø> (ø)
Node SDK	91.53% <ø> (ø)
Go SDK	39.80% <ø> (ø)

Files with missing lines	Coverage Δ
...reign/csharp/Iggy_SDK/Consumers/ReceivedMessage.cs	100.00% <100.00%> (+16.66%)	⬆️
.../csharp/Iggy_SDK/Contracts/PolledMessagesRental.cs	100.00% <100.00%> (ø)
...DK/IggyClient/Implementations/HttpMessageStream.cs	72.02% <100.00%> (+0.29%)	⬆️
...csharp/Iggy_SDK/Contracts/RentedMessageResponse.cs	94.11% <94.11%> (ø)
.../csharp/Iggy_SDK/Extensions/IggyClientExtension.cs	0.00% <0.00%> (ø)
...ggy_SDK/JsonConverters/MessageResponseConverter.cs	70.90% <87.50%> (+2.90%)	⬆️
...reign/csharp/Iggy_SDK/Consumers/IggyConsumerOfT.cs	96.49% <94.87%> (+96.49%)	⬆️
...csharp/Iggy_SDK/Consumers/ReceivedRentedMessage.cs	87.87% <87.87%> (ø)
...oreign/csharp/Iggy_SDK/IggyClient/IIggyConsumer.cs	50.00% <0.00%> (-50.00%)	⬇️
foreign/csharp/Iggy_SDK/Mappers/BinaryMapper.cs	91.50% <92.47%> (-1.22%)	⬇️
... and 4 more

... and 10 files with indirect coverage changes

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[hubcio]

/ready