refactor: extraBinPaths is optional

ref #1870

packages/build-modules/src/index.ts

@@ -17,7 +17,7 @@ export default async (
   opts: {
     childConcurrency?: number,
     depsToBuild?: Set<string>,
-    extraBinPaths: string[],
+    extraBinPaths?: string[],
     optional: boolean,
     prefix: string,
     rawNpmConfig: object,

packages/headless/src/index.ts

@@ -70,7 +70,7 @@ export interface HeadlessOptions {
     pnpmVersion: string,
   },
   engineStrict: boolean,
-  extraBinPaths: string[],
+  extraBinPaths?: string[],
   ignoreScripts: boolean,
   include: IncludedDependencies,
   independentLeaves: boolean,