Added BufferedStreamProtocol object

[francis-clairicia]

What's changed

BufferedStreamProtocol must be used to explictly exploit BufferedIncrementalPacketSerializer interface

Backward incompatible changes

• Removed manual_buffer_allocation parameter from existing API
• Removed BufferedStreamReceiver class.
• Removed StreamProtocol.buffered_receiver() method.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (a4a2f97) to head (8ea278e).
Report is 65 commits behind head on main.

Additional details and impacted files

Flag	Coverage Δ
OS-Linux	99.87% <100.00%> (-0.01%)	⬇️
OS-Windows	99.75% <100.00%> (-0.01%)	⬇️
OS-macOS	99.87% <100.00%> (-0.01%)	⬇️
Py-3.11	99.84% <100.00%> (-0.01%)	⬇️
Py-3.12	99.74% <100.00%> (-0.01%)	⬇️
test-functional	82.53% <76.54%> (+0.38%)	⬆️
test-unit	88.91% <100.00%> (-0.07%)	⬇️

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