Fix clippy lints

[0e4ef622]

Replace std::*::EPSILON with *::EPSILON, etc.

[0e4ef622]

Not exactly sure what to do about the remaining CI failures.

[stefan-k]

Thanks for your work and apologies for the long wait!

The argmin-math tests are broken due to #509, will have to fix that in another PR or I may just do it in this one.

[stefan-k]

Fixes #509

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 99.40476% with 2 lines in your changes missing coverage. Please review.

Project coverage is 91.49%. Comparing base (a9e3eb7) to head (e031083).

Files with missing lines	Patch %	Lines
crates/spectator/src/connection.rs	0.00%	2 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #504      +/-   ##
==========================================
- Coverage   92.08%   91.49%   -0.60%     
==========================================
  Files         178      178              
  Lines       24455    23623     -832     
==========================================
- Hits        22520    21613     -907     
- Misses       1935     2010      +75     

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