Update the template to use the singular form for Event interface.

tools/templates/files/fileTemplates/Template Presentation Classes.kt.child.4.kt

@@ -1,6 +1,6 @@
 #if (${PACKAGE_NAME} && ${PACKAGE_NAME} != "")package ${PACKAGE_NAME}#end
 
 // TODO Add your events or remove the file completely if no events
-sealed interface ${NAME}Events {
-    data object MyEvent: ${NAME}Events
+sealed interface ${NAME}Event {
+    data object MyEvent: ${NAME}Event
 }