Update memory-testing Dockerfile to use cargo-chef

[dani-garcia]

🎟️ Tracking

📔 Objective

The previous Dockerfile was trying to copy only the Cargo.toml and creating fake lib.rs files in an attempt to build the dependencies before the rest of the source code was copied, which would help with build caching and improve build times considerably. This was very error prone and would break any time extra workspace dependencies were added.

This PR migrates that process to use cargo-chef instead, which automatically handles that process for us. The dependencies get cached just as well as before, but we don't need to fiddle with creating fake lib.rs to make the compiler happy.

I've also updated the dockerignore to include some files that were previously missing.

⏰ Reminders before review

• Contributor guidelines followed
• All formatters and local linters executed and passed
• Written new unit and / or integration tests where applicable
• Protected functional changes with optionality (feature flags)
• Used internationalization (i18n) for all UI strings
• CI builds passed
• Communicated to DevOps any deployment requirements
• Updated any necessary documentation (Confluence, contributing docs) or informed the documentation
  team

🦮 Reviewer guidelines

• 👍 (:+1:) or similar for great changes
• 📝 (:memo:) or ℹ️ (:information_source:) for notes or general info
• ❓ (:question:) for questions
• 🤔 (:thinking:) or 💭 (:thought_balloon:) for more open inquiry that's not quite a confirmed
  issue and could potentially benefit from discussion
• 🎨 (:art:) for suggestions / improvements
• ❌ (:x:) or ⚠️ (:warning:) for more significant problems or concerns needing attention
• 🌱 (:seedling:) or ♻️ (:recycle:) for future improvements or indications of technical debt
• ⛏ (:pick:) for minor or nitpick changes

[github-actions]

Checkmarx One – Scan Summary & Details – 322a4913-a351-4739-b0f2-0d8dc8e3b30e

Great job, no security vulnerabilities found in this Pull Request

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.56%. Comparing base (90c331a) to head (de75426).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #259   +/-   ##
=======================================
  Coverage   69.56%   69.56%           
=======================================
  Files         213      213           
  Lines       16644    16644           
=======================================
  Hits        11578    11578           
  Misses       5066     5066           

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[sonarqubecloud]

Quality Gate failed

Failed conditions
2 Security Hotspots

See analysis details on SonarQube Cloud