Update dependency svelte to v5.19.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
svelte (source)	5.19.0 -> 5.19.3

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Release Notes

sveltejs/svelte (svelte)

v5.19.3

Compare Source

Patch Changes

• fix: don't throw for undefined non delegated event handlers (#​15087)

• fix: consistently set value to blank string when value attribute is undefined (#​15057)

• fix: optimise || expressions in template (#​15092)

• fix: correctly handle novalidate attribute casing (#​15083)

• fix: expand boolean attribute support (#​15095)

• fix: avoid double deriveds in component props (#​15089)

• fix: add check for is attribute to correctly detect custom elements (#​15086)

v5.19.2

Compare Source

Patch Changes

• fix: address regression with untrack (#​15079)

v5.19.1

Compare Source

Patch Changes

• fix: omit unnecessary nullish coallescing in template expressions (#​15056)

• fix: more efficient template effect grouping (#​15050)

• fix: ensure untrack correctly retains the active reaction (#​15065)

• fix: initialize files bind on hydration (#​15059)

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