Fix typo in PortInUseException Javadoc

Change 'suppler' to 'supplier' in the `@param` documentation for the throwIfPortBindingException method. See gh-48124 Signed-off-by: gobeomjun <alap_u@naver.com>

Author: K-jun98

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/server/PortInUseException.java

@@ -63,7 +63,7 @@ public int getPort() {
  * Throw a {@link PortInUseException} if the given exception was caused by a "port in
  * use" {@link BindException}.
  * @param ex the source exception
- * @param port a suppler used to provide the port
+ * @param port a supplier used to provide the port
  * @since 2.2.7
  */
 public static void throwIfPortBindingException(Exception ex, IntSupplier port) {