Disable bad swiftlint rule

[skhamis]

While #6254 tries to fix the issue. Turns out the rule might be reversed in swiftlint mentioned by @linabutler #6254 (comment)

realm/SwiftLint#5601 has more discussion about the issues with the lint. For the sake of our PRs, lets just disable the rule for now (as we don't know when it'll get merged and version bumped). There's a broader discussion about locking swiftlint to prevent these kind of issues here https://bugzilla.mozilla.org/show_bug.cgi?id=1900934 but that'll take a little more discussion before we do anything substantial

Pull Request checklist

• Breaking changes: This PR follows our breaking change policy
  • This PR follows the breaking change policy:
    • This PR has no breaking API changes, or
    • There are corresponding PRs for our consumer applications that resolve the breaking changes and have been approved
• Quality: This PR builds and tests run cleanly
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Branch builds: add [firefox-android: branch-name] to the PR title.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 22.64%. Comparing base (71578be) to head (68cfc19).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6269   +/-   ##
=======================================
  Coverage   22.64%   22.64%           
=======================================
  Files         330      330           
  Lines       29814    29814           
=======================================
  Hits         6751     6751           
  Misses      23063    23063           

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[linabutler]

Let's land this instead—thanks! (Sorry, @mhammond! 😅) That way, we won't need to change our code, now or when SwiftLint reverts the rule.