upgrade codemirror CDN links to 5.39.2 (patch)

components/Meta.js

@@ -45,15 +45,15 @@ export default function Meta() {
         <link rel="stylesheet" href="/static/react-crop.css" />
         <link
           rel="stylesheet"
-          href="//cdnjs.cloudflare.com/ajax/libs/codemirror/5.26.0/codemirror.min.css"
+          href="//cdnjs.cloudflare.com/ajax/libs/codemirror/5.39.2/theme/seti.min.css"
         />
         <link
           rel="stylesheet"
-          href="//cdnjs.cloudflare.com/ajax/libs/codemirror/5.30.0/theme/solarized.min.css"
+          href="//cdnjs.cloudflare.com/ajax/libs/codemirror/5.39.2/codemirror.min.css"
         />
         <link
           rel="stylesheet"
-          href="//cdnjs.cloudflare.com/ajax/libs/codemirror/5.36.0/theme/seti.min.css"
+          href="//cdnjs.cloudflare.com/ajax/libs/codemirror/5.39.2/theme/solarized.min.css"
         />
         {LOCAL_STYLESHEETS.map(id => (
           <link key={id} rel="stylesheet" href={`/static/themes/${id}.css`} />
@@ -65,7 +65,7 @@ export default function Meta() {
                 rel="stylesheet"
                 href={
                   theme.link ||
-                  `//cdnjs.cloudflare.com/ajax/libs/codemirror/5.36.0/theme/${theme.id}.min.css`
+                  `//cdnjs.cloudflare.com/ajax/libs/codemirror/5.39.2/theme/${theme.id}.min.css`
                 }
               />
             ))