mark package.json as external module

Author: jrieken

build/gulpfile.reh.js

@@ -378,7 +378,8 @@ function tweakProductForServerWeb(product) {
 						// TODO: we cannot inline `product.json` because
 						// it is being changed during build time at a later
 						// point in time (such as `checksums`)
-						'../product.json'
+						'../product.json',
+						'../package.json'
 					]
 				}
 			}

build/gulpfile.vscode.js

@@ -119,7 +119,8 @@ const optimizeVSCodeTask = task.define('optimize-vscode', task.series(
 					// TODO: we cannot inline `product.json` because
 					// it is being changed during build time at a later
 					// point in time (such as `checksums`)
-					'../product.json'
+					'../product.json',
+					'../package.json',
 				]
 			},
 			manual: [