flake.lock: Updating 'revealjs (hakimel/reveal.js)' - a815c7d2 -> 6510916b

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Changes for revealjs

On branch: master Commits: https://github.com/hakimel/reveal.js/compare/a815c7d2696f2d68d767217db3aaf180ef92c47f...6510916b9f55a8f3110030bcdd1aee1b7fb77b6f

• b5fb6da4 Missing lang attribute
• a0924999 Update js.yml
• d146c1dd adds jump-to-slide, press G to activate
• 79e9fdf1 add jump-to-slide to help overlay, style tweaks
• 282680e1 delay slide jumps a few ms
• b648a560 update hljs 10 > 11.7, fix perf issue in demo presentation caused by auto lang detection
• efcc8627 jump-to-slide is 1-indexed, falls back on word search
• 60769db4 better selection color contrast for black theme
• fb1fecd7 enforce a min length on jump to slide search queries
• 3301d303 fix incorrect condition for jump-to-slide
• 4a1b91a9 jump to slide tweak
• e0ef8db5 fix security alerts by upgrading glob-parent hakimel/reveal.js⁠#3343