Amortized intermediate allocations in IPC writer

[ritchie46]

This reuses the encoded_message per write call. Besides from this, the encoded_message can also be used in between multiple writers, so that the amount of allocations is reduced.

[codecov]

Codecov Report

Base: 83.28% // Head: 83.29% // Increases project coverage by +0.00% 🎉

Coverage data is based on head (15ab4e5) compared to base (211be21).
Patch coverage: 86.27% of modified lines in pull request are covered.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1362   +/-   ##
=======================================
  Coverage   83.28%   83.29%           
=======================================
  Files         371      371           
  Lines       40239    40268   +29     
=======================================
+ Hits        33515    33542   +27     
- Misses       6724     6726    +2     

Impacted Files	Coverage Δ
src/io/flight/mod.rs	38.06% <0.00%> (ø)
src/io/ipc/compression.rs	100.00% <ø> (ø)
src/temporal_conversions.rs	90.22% <ø> (ø)
src/io/ipc/write/writer.rs	89.92% <50.00%> (-4.30%)	⬇️
src/io/ipc/append/mod.rs	91.30% <100.00%> (+0.19%)	⬆️
src/io/ipc/write/common.rs	82.22% <100.00%> (+1.54%)	⬆️
src/io/ipc/write/common_sync.rs	94.44% <100.00%> (ø)
src/io/ipc/write/stream.rs	85.96% <100.00%> (ø)
src/io/ipc/read/file.rs	96.42% <0.00%> (-0.90%)	⬇️
src/bitmap/immutable.rs	86.66% <0.00%> (+0.60%)	⬆️
... and 2 more

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