Bump liquidjs from 10.20.2 to 10.21.0 (#3663)

Author: zachleat

package-lock.json

@@ -141,7 +141,7 @@
 		"iso-639-1": "^3.1.4",
 		"js-yaml": "^4.1.0",
 		"kleur": "^4.1.5",
-		"liquidjs": "^10.20.2",
+		"liquidjs": "^10.21.0",
 		"luxon": "^3.5.0",
 		"markdown-it": "^14.1.0",
 		"micromatch": "^4.0.8",