@uppy/utils: do not strip www in getSocketHost

[Murderlon]

Closes #5606

[github-actions]

Diff output files

diff --git a/packages/@uppy/utils/lib/getSocketHost.js b/packages/@uppy/utils/lib/getSocketHost.js
index eff22e4..3479427 100644
--- a/packages/@uppy/utils/lib/getSocketHost.js
+++ b/packages/@uppy/utils/lib/getSocketHost.js
@@ -1,6 +1,6 @@
 export default function getSocketHost(url) {
   var _regex$exec;
-  const regex = /^(?:https?:\/\/|\/\/)?(?:[^@\n]+@)?(?:www\.)?([^\n]+)/i;
+  const regex = /^(?:https?:\/\/|\/\/)?(?:[^@\n]+@)?([^\n]+)/i;
   const host = (_regex$exec = regex.exec(url)) == null ? void 0 : _regex$exec[1];
   const socketProtocol = /^http:\/\//i.test(url) ? "ws" : "wss";
   return `${socketProtocol}://${host}`;