Update Svelte peer dependency

[pedroborges]

This PR fixes the dependency conflict below when trying to install svelte-transition in a Svelte 5 project.

npm error code ERESOLVE
npm error ERESOLVE unable to resolve dependency tree
npm error
npm error While resolving: undefined@undefined
npm error Found: svelte@5.0.0-next.263
npm error node_modules/svelte
npm error   dev svelte@"^5.0.0-next.263" from the root project
npm error
npm error Could not resolve dependency:
npm error peer svelte@"^3.59.1 || ^4.0.0 || ^5.0.0" from svelte-transition@0.0.17
npm error node_modules/svelte-transition
npm error   svelte-transition@"*" from the root project
npm error
npm error Fix the upstream dependency conflict, or retry
npm error this command with --force or --legacy-peer-deps
npm error to accept an incorrect (and potentially broken) dependency resolution.
npm error
npm error
npm error For a full report see:
npm error /Users/pedro/.npm/_logs/2024-10-08T22_01_43_161Z-eresolve-report.txt