Update jquery.ime from upstream

Add the macron character to the Igbo tilde keyboard.

Updating to
https://github.com/wikimedia/jquery.ime/commit/3177f3ce24b3ef399492f18e395e328204656588

Change-Id: I2f8d02ab1d0d93781d3889bfef700438a0ca2d2a

lib/jquery.ime/jquery.ime.js

@@ -1,4 +1,4 @@
-/*! jquery.ime - v0.2.0+20200724
+/*! jquery.ime - v0.2.0+20201002
 * https://github.com/wikimedia/jquery.ime
 * Copyright (c) 2020 Santhosh Thottingal; License: (GPL-2.0-or-later OR MIT) */
 ( function ( $ ) {

lib/jquery.ime/rules/ig/ig-tilde.js

@@ -20,7 +20,8 @@
 			[ '~U', 'Ụ' ],
 			[ '~u', 'ụ' ],
 			[ '~\\\\', '\u0300' ], // Combining grave
-			[ '~/', '\u0301' ] // Combining acute
+			[ '~/', '\u0301' ], // Combining acute
+			[ '~\\-', '\u0304' ] // Combining macron
 		]
 	};