Move BuildMode to util.ts

src/config-utils.ts

@@ -17,6 +17,7 @@ import {
   GitHubVersion,
   prettyPrintPack,
   ConfigurationError,
+  BuildMode,
 } from "./util";
 
 // Property names from the user-supplied config file.
@@ -73,12 +74,6 @@ interface IncludeQueryFilter {
   include: Record<string, string[] | string>;
 }
 
-export enum BuildMode {
-  None = "none",
-  Autobuild = "autobuild",
-  Manual = "manual",
-}
-
 /**
  * Format of the parsed config file.
  */