Update the MathQuill version to pull in some fixes.

openwebwork/mathquill#39 and
openwebwork/mathquill#40 have been merged and a
new version of @openwebwork/mathquill have been merged.  This updates to
the newly published version that includes those fixes.

Author: drgrice1

htdocs/package-lock.json

@@ -13,7 +13,7 @@
 		"prettier-check": "prettier --ignore-path=../.gitignore --check \"**/*.{js,css,scss,html}\" \"../**/*.dist.yml\""
 	},
 	"dependencies": {
-		"@openwebwork/mathquill": "^0.11.0",
+		"@openwebwork/mathquill": "^0.11.1",
 		"jsxgraph": "^1.11.1",
 		"jszip": "^3.10.1",
 		"jszip-utils": "^0.1.0",