Update Extension Name mapping for aepsdk-ui-ios

Currently release notes update task fails due to a missing
mapping for "ui" extension name. "ui" extension was formerly
"notificationcontent". Ensure that the standardized version of
`repoNames` has matching clauses SDKReleaseInfo#standardizeExtensionName()

.github/scripts/release_notes/SDKReleaseInfo.js

@@ -220,7 +220,7 @@ function standardizeExtensionName(extensionName) {
             return EXTENSION_ENUM.CAMPAIGN_CLASSIC;
         case extensionName.includes("campaign"):
             return EXTENSION_ENUM.CAMPAIGN_STANDARD;
-        case extensionName === "notificationcontent":
+        case extensionName === "ui":
             return EXTENSION_ENUM.NOTIFICATION_CONTENT;
         case extensionName === "notificationbuilder":
             return EXTENSION_ENUM.NOTIFICATION_BUILDER;