Bump codemirror from 5.50.2 to 5.51.0 in /website (#7404)

Bumps [codemirror](https://github.com/codemirror/CodeMirror) from 5.50.2 to 5.51.0.
- [Release notes](https://github.com/codemirror/CodeMirror/releases)
- [Changelog](https://github.com/codemirror/CodeMirror/blob/master/CHANGELOG.md)
- [Commits](https://github.com/codemirror/CodeMirror/compare/5.50.2...5.51.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

website/package.json

@@ -10,7 +10,7 @@
   },
   "dependencies": {
     "clipboard": "2.0.4",
-    "codemirror": "5.50.2",
+    "codemirror": "5.51.0",
     "codemirror-graphql": "0.11.6",
     "lodash": "4.17.15",
     "lz-string": "1.4.4",

website/yarn.lock

@@ -1997,10 +1997,10 @@ codemirror-graphql@0.11.6:
     graphql-language-service-interface "^2.3.3"
     graphql-language-service-parser "^1.5.2"
 
-codemirror@5.50.2:
-  version "5.50.2"
-  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.50.2.tgz#32ddfe2b50193fcf573d8141c4a31d267c92b4a3"
-  integrity sha512-PPjUsC1oXSM86lunKrw609P1oM0Wu8z9rqzjbeyBYCcx44VL41aUpccdOf1PfAZtTONlmN3sT3p2etLNYa1OGg==
+codemirror@5.51.0:
+  version "5.51.0"
+  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.51.0.tgz#7746caaf5223e68f5c55ea11e2f3cc82a9a3929e"
+  integrity sha512-vyuYYRv3eXL0SCuZA4spRFlKNzQAewHcipRQCOKgRy7VNAvZxTKzbItdbCl4S5AgPZ5g3WkHp+ibWQwv9TLG7Q==
 
 coffee-script@^1.12.4:
   version "1.12.7"