Fix formatting.

Author: mbrandonw

Package.swift

@@ -210,7 +210,9 @@ let package = Package(
 
     .target(
       name: "SwiftSyntax",
-      dependencies: ["_SwiftSyntaxCShims", "SwiftSyntax509", "SwiftSyntax510", "SwiftSyntax600", "SwiftSyntax601", "SwiftSyntax602"],
+      dependencies: [
+        "_SwiftSyntaxCShims", "SwiftSyntax509", "SwiftSyntax510", "SwiftSyntax600", "SwiftSyntax601", "SwiftSyntax602"
+      ],
       exclude: ["CMakeLists.txt"],
       swiftSettings: swiftSyntaxSwiftSettings
     ),