feat: improve `svelte/valid-prop-names-in-kit-pages` and `svelte/no-export-load-in-svelte-module-in-kit-pages` to use `svelte.config.js` data

[ota-meshi]

This PR improves the two rules to use svelte.config.js data provided by the parser.

• svelte/valid-prop-names-in-kit-pages
• svelte/no-export-load-in-svelte-module-in-kit-pages

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 1bcb5507df2cf14dd34a79bc1adac1930894f0fe

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

| Name | Type | | -------------------- | ----- | | eslint-plugin-svelte | Minor |

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