fix(node): use Module.registerHooks instead of deprecated Module.register for Node v26+

Node.js v26 deprecated Module.register() in favor of Module.registerHooks().
This change uses the new API when available, falling back to the old API
for older Node versions.

Fixes #19893

Author: cyphercodes

packages/@tailwindcss-node/src/index.ts

@@ -14,8 +14,14 @@ if (!process.versions.bun) {
   let localRequire = Module.createRequire(import.meta.url)
 
   // `Module#register` was added in Node v18.19.0 and v20.6.0
+  // `Module#registerHooks` was added in Node v26.0.0 and is the preferred API
   //
   // Not calling it means that while ESM dependencies don't get reloaded, the
   // actual included files will because they cache bust directly via `?id=…`
-  Module.register?.(pathToFileURL(localRequire.resolve('@tailwindcss/node/esm-cache-loader')))
+  let loaderUrl = pathToFileURL(localRequire.resolve('@tailwindcss/node/esm-cache-loader'))
+  if (Module.registerHooks) {
+    Module.registerHooks({ resolve: loaderUrl })
+  } else {
+    Module.register?.(loaderUrl)
+  }
 }