feat: Parallel IPC sink for the new streaming engine

[coastalwhite]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 17.90123% with 266 lines in your changes missing coverage. Please review.

Project coverage is 79.85%. Comparing base (e52a598) to head (f3e5c85).
Report is 44 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/polars-stream/src/nodes/io_sinks/ipc.rs	0.00%	141 Missing ⚠️
...s/polars-stream/src/async_primitives/linearizer.rs	0.00%	46 Missing ⚠️
crates/polars-core/src/frame/mod.rs	0.00%	28 Missing ⚠️
crates/polars-io/src/ipc/write.rs	22.22%	14 Missing ⚠️
crates/polars-arrow/src/datatypes/mod.rs	0.00%	12 Missing ⚠️
crates/polars-stream/src/pipe.rs	0.00%	12 Missing ⚠️
crates/polars-arrow/src/io/ipc/write/common.rs	86.48%	5 Missing ⚠️
crates/polars-core/src/frame/column/mod.rs	0.00%	5 Missing ⚠️
crates/polars-arrow/src/io/ipc/mod.rs	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #19622      +/-   ##
==========================================
- Coverage   79.91%   79.85%   -0.07%     
==========================================
  Files        1536     1537       +1     
  Lines      211659   211921     +262     
  Branches     2445     2445              
==========================================
+ Hits       169156   169235      +79     
- Misses      41948    42131     +183     
  Partials      555      555              

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