fix(deps): update codemirror to ^0.20.0

Author: renovate[bot]

package.json

@@ -53,8 +53,8 @@
     "colors": "1.4.0"
   },
   "dependencies": {
-    "@codemirror/basic-setup": "^0.19.1",
-    "@codemirror/language-data": "^0.19.1",
+    "@codemirror/basic-setup": "^0.20.0",
+    "@codemirror/language-data": "^0.20.0",
     "@codemirror/stream-parser": "^0.19.9",
     "@formatjs/intl-locale": "^2.4.40",
     "@formatjs/intl-relativetimeformat": "^9.3.2",