Optimize release profile

[simonmarty]

Issue #, if available: See #9

https://doc.rust-lang.org/cargo/reference/profiles.html

Description of changes:

Experimenting with release profile parameters

• lto = "thin to use link time optimization across the dependency tree. This increases the binary size by 0.5MB on stable-x86_64-apple-darwin. At the moment I'm not seeing a significant performance disparity between this being set to "thin" or "off". This might differ between platforms.
• codegen-units = 1, significantly increases compilation time, is supposed to help with optimization, does appear to reduce binary size by a little over 1MB.
• strip = true Removes symbols and debug info, reduces binary size (13MB -> 9MB).

Before merging:

Run a load test and verify this leads to a consistent performance improvement on

• stable-x86_64-unknown-linux-gnu
• stable-x86_64-unknown-linux-musl
• stable-aarch64-unknown-linux-gnu
• stable-aarch64-unknown-linux-musl
• stable-x86_64-pc-windows-msvc

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 42.07%. Comparing base (f40c51a) to head (8e9c272).

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #38   +/-   ##
=======================================
  Coverage   42.07%   42.07%           
=======================================
  Files          15       15           
  Lines        8598     8598           
=======================================
  Hits         3618     3618           
  Misses       4980     4980           

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