Replace ZeroizingAllocator

[dani-garcia]

🎟️ Tracking

📔 Objective

Replace our internal ZeroizingAllocator by the external crate zeroizing-alloc, which has the same functionality but removes some undefined behavior.

⏰ 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 – 0e35cb0e-473b-4ee5-ab1f-efc5b7906a45

No New Or Fixed Issues Found

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 63.89%. Comparing base (09ad475) to head (8c809de).
Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #38      +/-   ##
==========================================
+ Coverage   63.44%   63.89%   +0.45%     
==========================================
  Files         187      186       -1     
  Lines       13002    12905      -97     
==========================================
- Hits         8249     8246       -3     
+ Misses       4753     4659      -94     

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[Hinton]

From a code perspective this looks good. I will spend some time digging into the produced code in a few environments to confirm it behaves as we expect.

[Hinton]

Tested manually on the different environments. As far as I can tell it correctly zeroizes allocated memory.