chore(deps): update mcr.microsoft.com/devcontainers/rust:1-1-bullseye docker digest to a87c2e8

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
mcr.microsoft.com/devcontainers/rust	final	digest	e43bb4c -> a87c2e8

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Test results

6 tests  ±0   6 ✅ ±0   0s ⏱️ ±0s
2 suites ±0   0 💤 ±0 
1 files   ±0   0 ❌ ±0 

Results for commit 0fcab78. ± Comparison against base commit c329454.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.48%. Comparing base (c329454) to head (0fcab78).
Report is 2 commits behind head on main.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1838   +/-   ##
=======================================
  Coverage   79.48%   79.48%           
=======================================
  Files           2        2           
  Lines          39       39           
=======================================
  Hits           31       31           
  Misses          8        8           

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