Disable swiftlint AND swift-format checking

Author: tbkka

Sources/protoc-gen-swift/FileGenerator.swift

@@ -59,6 +59,7 @@ class FileGenerator {
         p.print("""
             // DO NOT EDIT.
             // swift-format-ignore-file
+            // swiftlint:disable all
             //
             // Generated by the Swift generator plugin for the protocol buffer compiler.
             // Source: \(fileDescriptor.name)