Allow new Quick APIs aroundEach and justBeforeEach

[stonko1994]

New Issue Checklist

• Updated SwiftLint to the latest version
• I searched for existing GitHub issues

Describe the bug

Quick 5.0.0 introduced aroundEach and Quick 6.0.0 introduced justBeforeEach. Both are currently flagged as violations for quick_discouraged_call.

Complete output when running SwiftLint, including the stack trace and command used

$ swiftlint lint
⚠️ Line xxx: Discouraged call inside a 'describe' block.

Environment

• SwiftLint version (run swiftlint version to be sure)? 0.50.1
• Installation method used (Homebrew, CocoaPods, building from source, etc)? Homebrew
• Paste your configuration file: N/A

// This triggers a violation:
describe("foo") {
    justBeforeEach {
        ...
    }
}