Made IPC writer take owned schema

[ritchie46]

The ipc writer takes a schema reference, but directly clowns it to an owned schema. This leads to a redundant clone when a user first constructs the arrow schema.

[codecov]

Codecov Report

Base: 83.28% // Head: 83.33% // Increases project coverage by +0.04% 🎉

Coverage data is based on head (919029c) compared to base (211be21).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1361      +/-   ##
==========================================
+ Coverage   83.28%   83.33%   +0.04%     
==========================================
  Files         371      371              
  Lines       40239    40317      +78     
==========================================
+ Hits        33515    33600      +85     
+ Misses       6724     6717       -7     

Impacted Files	Coverage Δ
src/io/ipc/mod.rs	100.00% <ø> (ø)
src/io/ipc/write/writer.rs	89.92% <100.00%> (-4.30%)	⬇️
src/io/ipc/read/reader.rs	84.52% <0.00%> (-10.15%)	⬇️
src/io/csv/read/infer_schema.rs	97.43% <0.00%> (-2.57%)	⬇️
src/array/growable/structure.rs	95.34% <0.00%> (-1.00%)	⬇️
src/io/ipc/read/file.rs	96.42% <0.00%> (-0.90%)	⬇️
src/io/ipc/read/schema.rs	95.57% <0.00%> (-0.30%)	⬇️
src/temporal_conversions.rs	90.22% <0.00%> (ø)
src/io/ipc/write/common_sync.rs	94.44% <0.00%> (ø)
... and 18 more

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