Fix no such module 'DOT' by pinning GraphViz 0.2.0 (#1067)

* Revert "Fix no such module 'DOT' (#1065)"

This reverts commit 69a1cd56b5.

* pin GraphViz v0.2.0

* update CHANGELOG

CHANGELOG.md

@@ -3,7 +3,7 @@
 ## Next Version
 
 #### Fixed
-- Fixed no such mocule `DOT` error [#1065](https://github.com/yonaskolb/XcodeGen/pull/1065) @yanamura
+- Fixed no such module `DOT` error [#1067](https://github.com/yonaskolb/XcodeGen/pull/1067) @yanamura
 
 ## 2.21.0
 

Package.resolved

@@ -15,8 +15,8 @@
         "repositoryURL": "https://github.com/SwiftDocOrg/GraphViz.git",
         "state": {
           "branch": null,
-          "revision": "e9a73a30755c3c5b26ba7c73312b1f2ccb9a1a30",
-          "version": "0.4.0"
+          "revision": "70bebcf4597b9ce33e19816d6bbd4ba9b7bdf038",
+          "version": "0.2.0"
         }
       },
       {

Package.swift

@@ -19,7 +19,7 @@ let package = Package(
         .package(url: "https://github.com/tuist/XcodeProj.git", from: "7.18.0"),
         .package(url: "https://github.com/jakeheis/SwiftCLI.git", from: "6.0.0"),
         .package(url: "https://github.com/mxcl/Version", from: "2.0.0"),
-        .package(url: "https://github.com/SwiftDocOrg/GraphViz.git", from: "0.4.0"),
+        .package(url: "https://github.com/SwiftDocOrg/GraphViz.git", .exact("0.2.0")),
     ],
     targets: [
         .target(name: "XcodeGen", dependencies: [

Sources/XcodeGenKit/GraphVizGenerator.swift

@@ -1,3 +1,4 @@
+import DOT
 import Foundation
 import GraphViz
 import ProjectSpec