fix: bump @metamask/keyring-controller to ^21.0.5

[mikesposito]

Description

If a user has duplicate accounts in the state and vault with outdated encryption params, the login fails with the following message under the password field: KeyringController - The account you are trying to import is a duplicate.

KeyringController 21.0.5 includes a fix for this issue:

### Fixed

- The vault encryption upgrade fails grecefully during login ([#5740](https://github.com/MetaMask/core/pull/5740))

Related issues

Fixes:

Manual testing steps

1. Go to this page...

Screenshots/Recordings

Before

After

Pre-merge author checklist

• I’ve followed MetaMask Contributor Docs and MetaMask Mobile Coding Standards.
• I've completed the PR template to the best of my ability
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	npm/​@​metamask/​keyring-controller@​21.0.4 ⏵ 21.0.5	+1		+1	+1

View full report

[github-actions]

Bitrise

✅✅✅ pr_smoke_e2e_pipeline passed on Bitrise! ✅✅✅

Commit hash: 042af7a
Build link: https://app.bitrise.io/app/be69d4368ee7e86d/pipelines/185e9b71-f08b-4a82-899a-36e547762652

Note

• You can kick off another pr_smoke_e2e_pipeline on Bitrise by removing and re-applying the Run Smoke E2E label on the pull request

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 67.77%. Comparing base (25ed17c) to head (042af7a).

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #15066   +/-   ##
=======================================
  Coverage   67.77%   67.77%           
=======================================
  Files        2344     2344           
  Lines       50621    50621           
  Branches     7484     7484           
=======================================
  Hits        34306    34306           
  Misses      14135    14135           
  Partials     2180     2180           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud