fix: use bundle.run (#1281)

php.html

@@ -8,7 +8,7 @@
 - php.js
 third_party_js:
 - https://unpkg.com/babel-standalone@6/babel.min.js
-- https://packd.now.sh/babel-preset-php@1.0.0
+- https://bundle.run/babel-preset-php@1.0.0
 - https://unpkg.com/babel-polyfill@6/dist/polyfill.min.js
 - https://cdnjs.cloudflare.com/ajax/libs/ace/1.1.3/ace.js
 - https://cdnjs.cloudflare.com/ajax/libs/lz-string/1.4.4/base64-string.min.js