build(deps): bump @emotion/core from 10.0.28 to 10.0.34 in /docs (#1310)

Bumps [@emotion/core](https://github.com/emotion-js/emotion) from 10.0.28 to 10.0.34.
- [Release notes](https://github.com/emotion-js/emotion/releases)
- [Changelog](https://github.com/emotion-js/emotion/blob/master/CHANGELOG.md)
- [Commits](https://github.com/emotion-js/emotion/compare/@emotion/core@10.0.28...@emotion/core@10.0.34)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

docs/package.json

@@ -6,7 +6,7 @@
   "author": "",
   "license": "MIT",
   "dependencies": {
-    "@emotion/core": "^10.0.27",
+    "@emotion/core": "^10.0.34",
     "@emotion/styled": "^10.0.27",
     "@mdx-js/mdx": "^1.6.16",
     "@mdx-js/react": "^1.6.16",