build: use x64 for arch instead of x86_64

This appears to have been normalised to x64 previously but now outputs x86_64 which then means the folder name is invalid when looking it up during require

bin/build-all.js

@@ -10,7 +10,7 @@ const path = require('path');
 const pkgJson = require(path.resolve(__dirname + '/../package.json'));
 const targets = Object.keys(pkgJson.binary.targets);
 const nodePreGyp = path.resolve(__dirname, '..', 'node_modules/.bin/node-pre-gyp');
-const archs = ['x86_64', 'arm64'];
+const archs = ['x64', 'arm64'];
 let actions = process.argv.slice(2); // pass in args for what to do
 
 let isPublish = false;