build: update jsconfig target to es2021

Author: apaleslimghost

jsconfig.json

@@ -12,7 +12,7 @@
 		"strictFunctionTypes": true,
 		"strictNullChecks": true,
 		"strictPropertyInitialization": true,
-		"target": "es2020",
+		"target": "es2021",
 		"useUnknownInCatchVariables": true,
 		"types": []
 	},
@@ -26,4 +26,4 @@
 	"include": [
 		"**/*.js"
 	]
-}
+}