fix(ui5-textarea): add aria-required (#2113)

Author: fifoosid

packages/main/src/TextArea.hbs

@@ -23,8 +23,9 @@
 		?disabled="{{disabled}}"
 		?readonly="{{readonly}}"
 		?required="{{required}}"
-		maxlength="{{_exceededTextProps.calcedMaxLength}}"
+		aria-required="{{required}}"
 		aria-labelledby={{ariaLabelledBy}}
+		maxlength="{{_exceededTextProps.calcedMaxLength}}"
 		.value="{{value}}"
 		@input="{{_oninput}}"
 		@change="{{_onchange}}"