Bump prismjs from 1.27.0 to 1.30.0 (#765)

Bumps [prismjs](https://github.com/PrismJS/prism) from 1.27.0 to 1.30.0.
- [Release notes](https://github.com/PrismJS/prism/releases)
- [Changelog](https://github.com/PrismJS/prism/blob/master/CHANGELOG.md)
- [Commits](PrismJS/prism@v1.27.0...v1.30.0)

---
updated-dependencies:
- dependency-name: prismjs
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Hector Garcia <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -75,7 +75,7 @@
     "pluralize": "^8.0.0",
     "preval.macro": "^3.0.0",
     "prism-react-renderer": "^1.2.0",
-    "prismjs": "^1.27.0",
+    "prismjs": "^1.30.0",
     "react-addons-text-content": "^0.0.4",
     "react-element-to-jsx-string": "^15.0.0",
     "react-focus-on": "^3.3.0",