xo: Upgrade xo to 0.28.

Signed-off-by: Anders Kaseorg <anders@zulipchat.com>

app/renderer/js/utils/params-util.ts

@@ -1,3 +1,5 @@
+/* eslint-disable unicorn/prevent-abbreviations */
+
 // This util function returns the page params if they're present else returns null
 export function isPageParams(): null | object {
 	let webpageParams = null;