Ignore ACL restricted to setting in extension_access_modifier rule

[SimplyDanny]

Fixes #5623.

[SwiftLintBot]

	1 Warning
⚠️	This PR introduced a violation in Wire: /wire-ios-data-model/Source/ManagedObjectContext/NSManagedObjectContext+AppLock.swift:21:1: warning: Extension Access Modifier Violation: Prefer to use extension access modifiers (extension_access_modifier)

	17 Messages
📖	Linting Aerial with this PR took 1.26s vs 1.26s on main (0% slower)
📖	Linting Alamofire with this PR took 1.83s vs 1.8s on main (1% slower)
📖	Linting Brave with this PR took 10.5s vs 10.52s on main (0% faster)
📖	Linting DuckDuckGo with this PR took 5.48s vs 5.48s on main (0% slower)
📖	Linting Firefox with this PR took 13.97s vs 14.03s on main (0% faster)
📖	Linting Kickstarter with this PR took 12.77s vs 12.81s on main (0% faster)
📖	Linting Moya with this PR took 0.69s vs 0.71s on main (2% faster)
📖	Linting NetNewsWire with this PR took 3.56s vs 3.57s on main (0% faster)
📖	Linting Nimble with this PR took 1.03s vs 1.04s on main (0% faster)
📖	Linting PocketCasts with this PR took 10.54s vs 10.53s on main (0% slower)
📖	Linting Quick with this PR took 0.54s vs 0.56s on main (3% faster)
📖	Linting Realm with this PR took 6.52s vs 6.57s on main (0% faster)
📖	Linting Sourcery with this PR took 3.23s vs 3.23s on main (0% slower)
📖	Linting Swift with this PR took 6.39s vs 6.36s on main (0% slower)
📖	Linting VLC with this PR took 1.71s vs 1.69s on main (1% slower)
📖	Linting Wire with this PR took 24.5s vs 24.51s on main (0% faster)
📖	Linting WordPress with this PR took 18.75s vs 18.74s on main (0% slower)

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