lib: fix grammar in internal/bootstrap/loaders.js

PR-URL: #33211
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>

lib/internal/bootstrap/node.js

@@ -7,7 +7,7 @@
 // This file is expected not to perform any asynchronous operations itself
 // when being executed - those should be done in either
 // `lib/internal/bootstrap/pre_execution.js` or in main scripts. The majority
-// of the code here focus on setting up the global proxy and the process
+// of the code here focuses on setting up the global proxy and the process
 // object in a synchronous manner.
 // As special caution is given to the performance of the startup process,
 // many dependencies are invoked lazily.