Bump reveal.js from 4.0.2 to 4.1.0

[dependabot-preview]

Bumps reveal.js from 4.0.2 to 4.1.0.

Release notes

Sourced from reveal.js's releases.

4.1.0

Changes

• New: Add data-visibility="hidden" to a slide to hide it from view. Docs & examples
• New: Add the r-fit-text class to make a text node grow to be as large as possible without overflowing the slide. Docs & examples
• The configured slide width/height is now exposed as CSS variables (--slide-width/--slide-height).
• The shuffle config option now shuffles vertical slides as well.
• All themes now invert the text color based on the current slide background color.
• Include /css and /js in npm package.

Fixes

• Don't append #/ to the URL on first slide.
• Don't fill the progress bar when there's only one slide in a deck
• Correct slide count when using data-visibility="uncounted" (#2675)

Commits

• 0582f57 add fit-text to demo
• ffadcc8 v4.1.0
• e09437f escape HTML entities in code parsed from markdown, fixes #2744
• 676936e revert debug change to index.html
• 4d62dcc Merge branch 'master' of github.com:hakimel/reveal.js into dev
• 17bfa62 Merge pull request #2746 from ebriand/patch-1
• 5f7c945 Merge pull request #2752 from michaelmior/css-paths
• b13c7b4 Merge pull request #2767 from rschmehl/patch-1
• 5676ef7 Merge pull request #2771 from timgates42/bugfix_typo_transition
• 2c121d2 docs: Fix simple typo, transiition -> transition
• Additional commits viewable in compare view

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