Update html5ever/markup5ever for speedreader/kuchikiki

[DJAndries]

Resolves brave/brave-browser#44226

Submitter Checklist:

• I confirm that no security/privacy review is needed and no other type of reviews are needed, or that I have requested them
• There is a ticket for my issue
• Used Github auto-closing keywords in the PR description above
• Wrote a good PR/commit description
• Squashed any review feedback or "fixup" commits before merge, so that history is a record of what happened in the repo, not your PR
• Added appropriate labels (QA/Yes or QA/No; release-notes/include or release-notes/exclude; OS/...) to the associated issue
• Checked the PR locally:
  • npm run test -- brave_browser_tests, npm run test -- brave_unit_tests wiki
  • npm run presubmit wiki, npm run gn_check, npm run tslint
• Ran git rebase master (if needed)

Reviewer Checklist:

• A security review is not needed, or a link to one is included in the PR description
• New files have MPL-2.0 license header
• Adequate test coverage exists to prevent regressions
• Major classes, functions and non-trivial code blocks are well-commented
• Changes in component dependencies are properly reflected in gn
• Code follows the style guide
• Test plan is specified in PR before merging

After-merge Checklist:

• The associated issue milestone is set to the smallest version that the
  changes has landed on
• All relevant documentation has been updated, for instance:
  • https://github.com/brave/brave-browser/wiki/Deviations-from-Chromium-(features-we-disable-or-remove)
  • https://github.com/brave/brave-browser/wiki/Proxy-redirected-URLs
  • https://github.com/brave/brave-browser/wiki/Fingerprinting-Protections
  • https://github.com/brave/brave-browser/wiki/Brave%E2%80%99s-Use-of-Referral-Codes
  • https://github.com/brave/brave-browser/wiki/Web-Compatibility-Exceptions-in-Brave
  • https://github.com/brave/brave-browser/wiki/QA-Guide
  • https://github.com/brave/brave-browser/wiki/P3A

Test Plan:

[github-actions]

[puLL-Merge] - brave/brave-core@27719

Here's my analysis of this pull request:

Description

This PR makes several significant changes to the codebase, primarily focusing on:

1. Updating JSON parsing methods across various components to use more modern/safer APIs
2. Enhancing the onboarding experience in iOS
3. Updating localization strings and performance test configurations
4. Updating Rust dependencies for various components

The motivation appears to be modernizing code patterns and improving user experience during onboarding.

Possible Issues

1. The test profile changes might not capture all edge cases for performance testing
2. GetLeoModels model name changes could cause backwards compatibility issues with existing data

Security Hotspots

1. JSON parsing changes use base::JSONReader::ReadDict which is a safer API but there should be careful testing around error handling in these paths as they touch sensitive areas like wallet operations
2. Translation feature could potentially expose user data through insecure content - should verify content security policy is properly applied

Changes

Changes

By filename:

• components/brave_rewards/: Updates JSON parsing to use base::JSONReader::ReadDict across multiple files
• components/brave_vpn/: Updates region name mapping and JSON parsing logic
• components/brave_wallet/: Updates blockchain list parser implementation
• ios/brave-ios/: Major refactor of onboarding experience with new UI components
• tools/perf/: Updates performance test configurations and profiles

Let me know if you would like me to expand on any part of this analysis.```mermaid
sequenceDiagram
participant User
participant Onboarding
participant BraveCore
participant TranslateService

User->>Onboarding: Starts app first time
Onboarding->>BraveCore: Check environment
BraveCore-->>Onboarding: Environment info
Onboarding->>User: Show welcome screen
User->>Onboarding: Interacts with steps
Onboarding->>TranslateService: Configure translation
TranslateService-->>User: Ready for translation
Onboarding->>User: Complete setup

</details>

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[brave-builds]

Released in v1.77.68