release: 142.0.0

[GuillaumeRx]

This is the release candidate for version 142.0.0.

---

Note

Low Risk
Low risk because this diff only updates package.json versions and changelog entries, with no functional code changes. Risk is limited to publishing/tagging the intended package versions.

Overview
Bumps the root monorepo version to 142.0.0 and increments package versions for @metamask/snaps-controllers (to 18.0.0), @metamask/snaps-execution-environments (to 11.0.0), @metamask/snaps-jest (to 10.1.0), @metamask/snaps-rpc-methods (to 14.3.0), @metamask/snaps-simulation (to 4.1.0), and @metamask/snaps-utils (to 12.1.0).

Updates each package CHANGELOG.md with the corresponding release notes and adjusts the [Unreleased] comparison links to start from the new tags.

^{Written by Cursor Bugbot for commit 4b2a566. This will update automatically on new commits. Configure here.}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.59%. Comparing base (2887a53) to head (4b2a566).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3842      +/-   ##
==========================================
+ Coverage   98.47%   98.59%   +0.11%     
==========================================
  Files         430      429       -1     
  Lines       12433    12417      -16     
  Branches     1929     1928       -1     
==========================================
- Hits        12243    12242       -1     
+ Misses        190      175      -15     

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