Pin dtolnay/rust-toolchain action to 29eef33

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
dtolnay/rust-toolchain	action	pinDigest	→ 29eef33

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Configuration

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[sentry]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.65%. Comparing base (7bb76a9) to head (b6e6730).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main       #8   +/-   ##
=======================================
  Coverage   91.65%   91.65%           
=======================================
  Files          10       10           
  Lines        1402     1402           
=======================================
  Hits         1285     1285           
  Misses        117      117           

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