chore(deps): update dtolnay/rust-toolchain digest to 4be7066

[dreadnode-renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
dtolnay/rust-toolchain (changelog)	action	digest	29eef33 → 4be7066

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.97%. Comparing base (7f5fde2) to head (5a731be).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #390   +/-   ##
=======================================
  Coverage   79.97%   79.97%           
=======================================
  Files         434      434           
  Lines      126175   126175           
=======================================
  Hits       100912   100912           
  Misses      25263    25263           

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