doc(fs): clarify path.matchesGlob() exclude limitation

Clarify that path.matchesGlob() only performs pattern matching,
and does not support the exclude functionality available in
fs.glob methods.

This addresses potential user confusion as noted in code review
feedback.

Refs: #58988

Author: mag123c

doc/api/fs.md

@@ -1186,8 +1186,8 @@ const { glob } = require('node:fs/promises');
 * For better performance with large directory trees, consider using more specific
   patterns to reduce the search scope
 
-The same glob pattern syntax is supported by [`path.matchesGlob()`][] for
-matching paths without file system access.
+[`path.matchesGlob()`][] supports the same basic glob pattern syntax for
+in-memory path matching, but does not include the `exclude` option.
 
 ### `fsPromises.lchmod(path, mode)`