Bump reveal.js from 4.5.0 to 4.6.1 (#49)

Bumps [reveal.js](https://github.com/hakimel/reveal.js) from 4.5.0 to 4.6.1.
- [Release notes](https://github.com/hakimel/reveal.js/releases)
- [Commits](hakimel/reveal.js@4.5.0...4.6.1)

---
updated-dependencies:
- dependency-name: reveal.js
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

package.json

@@ -24,7 +24,7 @@
     "prism-react-renderer": "^1.3.5",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
-    "reveal.js": "^4.5.0",
+    "reveal.js": "^4.6.1",
     "yarn": "^1.22.19"
   },
   "devDependencies": {