[deps]: Update dtolnay/rust-toolchain digest to 315e265

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
dtolnay/rust-toolchain	action	digest	7b1c307 -> 315e265

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Configuration

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[bitwarden-bot]

Internal tracking:

• ID: PM-15715
• Link: https://bitwarden.atlassian.net/browse/PM-15715

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 63.89%. Comparing base (ceba460) to head (8de13ec).
Report is 15 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #45   +/-   ##
=======================================
  Coverage   63.89%   63.89%           
=======================================
  Files         186      186           
  Lines       12905    12905           
=======================================
  Hits         8246     8246           
  Misses       4659     4659           

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