flake.lock: Updating 'revealjs (hakimel/reveal.js)' - cf8e64bd -> c27e3b5f

### Changes for revealjs

On branch: master
Commits: cf8e64bd85...c27e3b5ff2

- [35355364](3535536444) use native CSS vars from exposer
- [9aa6a029](9aa6a029c3) add newly built version to
- [d2dff6a8](d2dff6a821) Fix target for click on progress bar
- [75480b5b](75480b5bf4) Remove unused argument
- [aaa7c02b](aaa7c02b5c) Prevent layout thrashing by status text
- [3d701edc](3d701edc71) Limit slide number DOM mutations
- [957f928c](957f928c70) Prevent layout thrashing by scroll height
- [49f78535](49f78535d1) Use const in print controller
- [33c4c1c5](33c4c1c5d2) Batch print DOM updates
- [10f02ece](10f02ece99) Group pdf  setup reads and writes
- [e57ff233](e57ff233a4) Group background reads and writes
- [1e70d9fe](1e70d9fe46) upgrade to node-sass 5.0 (adds support for node 15.x) [hakimel/reveal.js⁠#2841](http://r.duckduckgo.com/l/?uddg=https://github.com/hakimel/reveal.js/issues/2841)
- [26f5fa0c](26f5fa0c12) Fixed path to themes in demo.html
- [f576b98f](f576b98fbd) rerun r-fit-text based on printed slide size, fixes overflow when printing to PDF [hakimel/reveal.js⁠#2865](http://r.duckduckgo.com/l/?uddg=https://github.com/hakimel/reveal.js/issues/2865)
- [2e805c91](2e805c9193) fix bug where slide-spcific background transitions were overruled by global transition setting
- [95592293](95592293ae) remove unused style ids
- [1de653a9](1de653a95a) reduce tab size in code blocks from 8 to 2
- [90a0d2d4](90a0d2d449) typo
- [cec99c52](cec99c5261) Implement auto-animate id and restart
- [290c251c](290c251c7e) fix default md slide separator not working [hakimel/reveal.js⁠#2850](http://r.duckduckgo.com/l/?uddg=https://github.com/hakimel/reveal.js/issues/2850)
- [9c83edbf](9c83edbf13) Expose showPreview
- [2d050f83](2d050f83c1) Expose preview management functions
- [d1f6e6cc](d1f6e6cce9) use computed background style if colorToRgb fails
- [be110fad](be110fad11) prevent accidental swipe gestures when scrubbing video/audio timelines
- [8347a2de](8347a2de58) Allow multiple data-background
- [6d735dda](6d735ddaf8) stop playing media inside of fragments when the fragment is hidden
- [f5faeba9](f5faeba9f3) update dependencies
- [5d8d6731](5d8d673117) Add missing semicolons
- [236d3e37](236d3e3722) tidy up code for [hakimel/reveal.js⁠#2940](http://r.duckduckgo.com/l/?uddg=https://github.com/hakimel/reveal.js/issues/2940)
- [74f3c4b4](74f3c4b455) fix typo [hakimel/reveal.js⁠#2949](http://r.duckduckgo.com/l/?uddg=https://github.com/hakimel/reveal.js/issues/2949) (thanks @SeanKilleen)
- [2beb336c](2beb336cdb) fix typo [hakimel/reveal.js⁠#2949](http://r.duckduckgo.com/l/?uddg=https://github.com/hakimel/reveal.js/issues/2949) (thanks @SeanKilleen)
- [2e344825](2e344825f8) update (c) year
- [7daea495](7daea4957b) remove debug code
- [6884741b](6884741b94) improve renderer option handling
- [00acc730](00acc730f0) add animateLists option to markdown plugin
- [632cc788](632cc78873) fix errors when no markdown options are provided [hakimel/reveal.js⁠#2956](http://r.duckduckgo.com/l/?uddg=https://github.com/hakimel/reveal.js/issues/2956)
- [56772afa](56772afa32) update dependencies
- [395356a0](395356a0b1) update deps & drop node/gulp-sass in order to support node 16 [hakimel/reveal.js⁠#2959](http://r.duckduckgo.com/l/?uddg=https://github.com/hakimel/reveal.js/issues/2959)
- [6fa4f16c](6fa4f16cdb) roll back yargs
- [e852e537](e852e53792) npm run build no longer executes tests
- [ac410deb](ac410debf6) rebuild assets
- [48024a11](48024a1137) 4.1.1
- [c2fd760f](c2fd760f8f) replace deprecated hljs.highlightBlock calls, fix [hakimel/reveal.js⁠#2958](http://r.duckduckgo.com/l/?uddg=https://github.com/hakimel/reveal.js/issues/2958)
- [c27e3b5f](c27e3b5ff2) add data-auto-animate-id to auto-animate examples [hakimel/reveal.js⁠#2896](http://r.duckduckgo.com/l/?uddg=https://github.com/hakimel/reveal.js/issues/2896)

flake.lock

@@ -259,11 +259,11 @@
     "revealjs": {
       "flake": false,
       "locked": {
-        "lastModified": 1621530765,
-        "narHash": "sha256-LfrMXHcN5CgKxgjp9Y4zdxvus+Qh6+2S2RvoqXTdIRM=",
+        "lastModified": 1622102476,
+        "narHash": "sha256-NqraN6KnGQ5oa5En3D5gW+7yIIoAx+itIh5gEHJ3ryI=",
         "owner": "hakimel",
         "repo": "reveal.js",
-        "rev": "48024a1137730c1308478518ed7235431c32a5c6",
+        "rev": "c27e3b5ff2901750f8a7d521e001ed2966368c47",
         "type": "github"
       },
       "original": {