flake.lock: Updating 'revealjs (hakimel/reveal.js)' - 0301ce58 -> a4b7f9df (#534)

### Changes for revealjs

On branch: master
Commits: 0301ce58ab...a4b7f9dff7

- [0b443087](0b44308754) add ln-start-from for code sections to markdown
- [bf749ee1](bf749ee1da) add tests
- [227f90fa](227f90fa00) fix code block auto-animate bug that caused unmatched lines to appear without fading in
- [12f5ba4c](12f5ba4c9d) auto-slide duration falls back on global setting instead of looking at first fragment
- [c8a7f262](c8a7f26229) fix issue where fragment-evel autoslide timing was when multiple fragments share the same index
- [82d63e02](82d63e0296) fixes livereload when using root CLI param
- [2dd27b37](2dd27b37c6) ignore node_modules for livereload
- [ba20abf0](ba20abf0c3) allow theme subfolders
- [31174cba](31174cbaba) adds ability to override markdown default options
- [27ff1996](27ff199627) add support for links to the id of an element nested inside slide
- [3d1eabba](3d1eabba0f) build
- [da5682ce](da5682ce51) move markdown default options to top level [hakimel/reveal.js⁠#3443](http://r.duckduckgo.com/l/?uddg=https://github.com/hakimel/reveal.js/issues/3443)
- [92ee97fb](92ee97fbfe) update markdown default notes separator to ignore inline occurances of 'notes:', closes [hakimel/reveal.js⁠#1915](http://r.duckduckgo.com/l/?uddg=https://github.com/hakimel/reveal.js/issues/1915), closes [hakimel/reveal.js⁠#2762](http://r.duckduckgo.com/l/?uddg=https://github.com/hakimel/reveal.js/issues/2762)
- [f2b0316a](f2b0316a91) fix scss watch tasks broken on syntax error
- [74a5dac3](74a5dac34f) speed up livereload
- [58881061](58881061ab) Fix dracula's theme list-style on sub-items
- [a3f71b4a](a3f71b4a9b) fix typos in variable names
- [9babaa00](9babaa005f) Refactored var to let or const, strict equality
- [ccbaffc9](ccbaffc975) build md plugin [hakimel/reveal.js⁠#3454](http://r.duckduckgo.com/l/?uddg=https://github.com/hakimel/reveal.js/issues/3454)
- [75c0be85](75c0be853c) Update demo.html
- [a1d0cdff](a1d0cdffc4) fix code blocks font when printing pdf
- [680cf5ed](680cf5edb8) add start/stopEmbeddedMedia API methods for controlling playback of video/audio/iframes
- [777e2a2d](777e2a2d05) fix dracula li markers
- [3a830dd9](3a830dd98f) fix dracula theme li numbering
- [81ea1162](81ea116292) refactor dracula theme sass code
- [fc16cc8b](fc16cc8b11) add test deck with 500 slides
- [c5307462](c5307462b0) 4.6.0
- [487cc860](487cc860f8) fix alpha overlap during scrolled code highlight transitions
- [a4b7f9df](a4b7f9dff7) 4.6.1, remove log

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

flake.lock

@@ -327,11 +327,11 @@
     "revealjs": {
       "flake": false,
       "locked": {
-        "lastModified": 1681386605,
-        "narHash": "sha256-9Q7aWgjAV37iJp6oYDz45e8J+RKwKY1Uvgg/BXwf5nQ=",
+        "lastModified": 1694600616,
+        "narHash": "sha256-R599Zdw9YzID7CRzWRcasz+ZZvZiagBFsuDWUvnNX4o=",
         "owner": "hakimel",
         "repo": "reveal.js",
-        "rev": "0301ce58ab185f7191696e16b1b6389f58df2892",
+        "rev": "a4b7f9dff7ef360afdb6d0cb53fd89063cbe0b66",
         "type": "github"
       },
       "original": {