Updates for Rust 1.79.0

[horned-sphere]

Fixes Clippy problem and updates CI config.

[codecov]

Codecov Report

Attention: Patch coverage is 18.51852% with 22 lines in your changes missing coverage. Please review.

Please upload report for BASE (main@f1d3d6d). Learn more about missing BASE report.

Files	Patch %	Lines
...r/swimos_agent_derive/src/agent_lifecycle/model.rs	0.00%	16 Missing ⚠️
swimos_client/src/lib.rs	0.00%	3 Missing ⚠️
runtime/swimos_runtime/src/agent/task/init/mod.rs	71.42%	2 Missing ⚠️
...swimos_agent_derive/src/lane_model_derive/model.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #674   +/-   ##
=======================================
  Coverage        ?   51.04%           
=======================================
  Files           ?      341           
  Lines           ?    29478           
  Branches        ?        0           
=======================================
  Hits            ?    15048           
  Misses          ?    14430           
  Partials        ?        0           

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