Bump preact from 10.18.1 to 10.19.3 in /app/frontend

[dependabot[bot]]

Bumps preact from 10.18.1 to 10.19.3.

Release notes

Sourced from preact's releases.

10.19.3

Bug Fixes

• Add MathML types (#4214, thanks @​fekete965)
• Fix event handler event types for onInput, onBeforeInput and onSubmit (#4226, #4220, thanks @​marvinhagemeister)
• Fix invalid vnodes not filtered out in children (#4219 , thanks @​billti)

Maintenance

• Remove focus from event capturing tests (#4217, @​andrewiggins)

10.19.2

Fixes

• Call options.vnode on rerender (#4209, thanks @​andrewiggins)

Maintenance

• Fix tests in IE11 (#4211, thanks @​andrewiggins)
• Add test for removing children of memoed components (#4210, thanks @​andrewiggins)

10.19.1

Fixes

• Missing preact import error when using compat (#4206, thanks @​JoviDeCroock)

Types

• Make children optional in Provider's typings (#4205, thanks @​shicks)

10.19.0

Features

• Support precompiled JSX transform (#4177, thanks @​marvinhagemeister)

Fixes

• Rework children diffing to run in multiple phases (#4180, thanks @​andrewiggins)

Performance

• Inline diffProps function (#4200, thanks @​andrewiggins)
• Do typeof string check before looking for String constructor (#4198, thanks @​andrewiggins)
• Only run unmounting loop if any children remain to unmount (+2 B) (#4199, thanks @​andrewiggins)
• Fix debug throwing in valid nested table (#4193, thanks @​marvinhagemeister)

Types

• Compat PureComponent parity with upstream react type definitions (#4056, thanks @​Blufords)

... (truncated)

Commits

• aa53ecb Merge pull request #4227 from preactjs/release-10.19.3
• 9cd9fc2 Release 10.19.3
• 901e794 Merge pull request #4214 from fekete965/feature/add-mathml-definitions
• 6eb5309 Add HTMLMFencedElement interface
• ae8d7ef Add HTMLSemanticsElement interface
• a2093d7 Add HTMLMUnderoverElement interface
• 14c7ef2 Add HTMLMUnderElement interface
• e877e11 Add HTMLMTrElement interface
• 89db29d Add HTMLMTextElement interface
• d13125e Add HTMLMTdElement interface
• Additional commits viewable in compare view

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Superseded by #162.