Updated bower dependencies for client.

app/bower_components/jquery/src/var/concat.js

@@ -1,7 +0,0 @@
-define( [
-	"./arr"
-], function( arr ) {
-	"use strict";
-
-	return arr.concat;
-} );

app/bower_components/jquery/src/var/flat.js

@@ -0,0 +1,16 @@
+define( [
+	"./arr"
+], function( arr ) {
+
+"use strict";
+
+// Support: IE 9 - 11+, Edge 18+, Android Browser 4.0 - 4.3 only, iOS 7 - 11 only, Safari 11 only,
+// Firefox <= 61 only
+// Provide fallback for browsers without Array#flat.
+return arr.flat ? function( array ) {
+	return arr.flat.call( array );
+} : function( array ) {
+	return arr.concat.apply( [], array );
+};
+
+} );

app/bower_components/jquery/src/var/isFunction.js

@@ -3,11 +3,15 @@ define( function() {
 
 	return function isFunction( obj ) {
 
-      // Support: Chrome <=57, Firefox <=52
-      // In some browsers, typeof returns "function" for HTML <object> elements
-      // (i.e., `typeof document.createElement( "object" ) === "function"`).
-      // We don't want to classify *any* DOM node as a function.
-      return typeof obj === "function" && typeof obj.nodeType !== "number";
-  };
+		// Support: Chrome <=57, Firefox <=52
+		// In some browsers, typeof returns "function" for HTML <object> elements
+		// (i.e., `typeof document.createElement( "object" ) === "function"`).
+		// We don't want to classify *any* DOM node as a function.
+		// Support: QtWeb <=3.8.5, WebKit <=534.34, wkhtmltopdf tool <=0.12.5
+		// Plus for old WebKit, typeof returns "function" for HTML collections
+		// (e.g., `typeof document.getElementsByTagName("div") === "function"`). (gh-4756)
+		return typeof obj === "function" && typeof obj.nodeType !== "number" &&
+			typeof obj.item !== "function";
+	};
 
 } );