[PM-23290] Migrate PIN unlock keys to PinProtectedUserKeyEnvelope

[andrebispo5]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-23290

📔 Objective

Migrates any existing pin keys to a pin protected user key envelope. Existing pins will be migrated when the vault is unlocked. And any new pins will use a pin protected user key envelope on creation.

⏰ 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 – 18f5b552-8bd7-41eb-8356-c8fee4623703

Great job! No new security vulnerabilities introduced in this pull request

[codecov]

Codecov Report

❌ Patch coverage is 86.95652% with 12 lines in your changes missing coverage. Please review.
✅ Project coverage is 84.76%. Comparing base (74b9a12) to head (5bb81b0).
⚠️ Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
...arden/data/vault/repository/VaultRepositoryImpl.kt	81.25%	2 Missing and 4 partials ⚠️
...twarden/data/vault/manager/VaultLockManagerImpl.kt	83.33%	0 Missing and 3 partials ⚠️
...en/data/auth/datasource/disk/AuthDiskSourceImpl.kt	87.50%	0 Missing and 2 partials ⚠️
...data/platform/repository/SettingsRepositoryImpl.kt	93.33%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6024   +/-   ##
=======================================
  Coverage   84.76%   84.76%           
=======================================
  Files         737      734    -3     
  Lines       55285    55295   +10     
  Branches     7623     7632    +9     
=======================================
+ Hits        46861    46873   +12     
+ Misses       5764     5754   -10     
- Partials     2660     2668    +8     

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