Update dependency svelte to v3.31.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
svelte	3.31.0 -> 3.31.2

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Release Notes

sveltejs/svelte

v3.31.2

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• Rework SSR store handling to subscribe and unsubscribe as in DOM mode (#​3375, #​3582, #​3636)
• Fix error when removing elements that are already transitioning out (#​5789, #​5808)
• Fix duplicate content race condition with {#await} blocks and out transitions (#​5815)
• Deconflict variable names used for contextual actions (#​5834)

v3.31.1

Compare Source

• Fix scrolling of element with resize listener by making the <iframe> have z-index: -1 (#​5448)
• Fix location of automatically declared reactive variables (#​5749)
• Warn when using className or htmlFor attributes (#​5777)
• Fix checkbox bind:group in keyed {#each} where the array can be reordered (#​5779)
• Fix checkbox bind:group in nested {#each} contexts (#​5811)
• Add graphics roles as known ARIA roles (#​5822)
• Fix local transitions if a parent has a cancelled outro transition (#​5829)
• Support use:obj.some.deep.function as actions (#​5844)

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