Fix `FileSystemUtils::deleteRecursively` Javadoc

See gh-30554

spring-core/src/main/java/org/springframework/util/FileSystemUtils.java

@@ -68,10 +68,10 @@ public abstract class FileSystemUtils {
 	}
 
 	/**
-	 * Delete the supplied {@link File} — for directories,
+	 * Delete the supplied {@link Path} — for directories,
 	 * recursively delete any nested directories or files as well.
-	 * @param root the root {@code File} to delete
-	 * @return {@code true} if the {@code File} existed and was deleted,
+	 * @param root the root {@code Path} to delete
+	 * @return {@code true} if the {@code Path} existed and was deleted,
 	 * or {@code false} if it did not exist
 	 * @throws IOException in the case of I/O errors
 	 * @since 5.0