Use latest SwiftLint version 0.57.1

Author: SimplyDanny

.github/workflows/swiftlint.yml

@@ -10,7 +10,7 @@ jobs:
   SwiftLint:
     runs-on: ubuntu-latest
     container:
-      image: ghcr.io/realm/swiftlint:0.52.2
+      image: ghcr.io/realm/swiftlint:0.58.0
     steps:
       - uses: actions/checkout@v3
       - name: Run SwiftLint

Source/SourceKittenFramework/SwiftVersion.swift

@@ -4,10 +4,6 @@ struct SwiftVersion: RawRepresentable, Comparable {
 
     let rawValue: String
 
-    init(rawValue: String) {
-        self.rawValue = rawValue
-    }
-
     /// Comparable
     static func < (lhs: SwiftVersion, rhs: SwiftVersion) -> Bool {
         return lhs.rawValue < rhs.rawValue