Adapter is not compatible with SvelteKit@1.0.0

[juranki]

Latest known compatible version is 1.0.0-next.428.
Potentially relevant breaking changes since 1.0.0-next.428 include:

• remove getters sveltejs/kit#6237
• Generate dynamic env types sveltejs/kit#6413
• include type descriptions in package sveltejs/kit#6416
• Prerendering overhaul sveltejs/kit#6392
• [breaking] ssr/hydrate/router/prerender.default are now configurable in +page(.server).js and +layout(.server).js sveltejs/kit#6197
• [breaking] render raw response when unexpected error occurs in endpoint sveltejs/kit#6434
• Add filterSerializedResponseHeaders function sveltejs/kit#6569
• [breaking] request creation cleanup sveltejs/kit#6681
• prefix all route IDs with / sveltejs/kit#7338
• Use escape sequences to denote special characters sveltejs/kit#7644
• Make trailingSlash a page/endpoint option, like prerender sveltejs/kit#7719
• Removed getStaticDirectory()  sveltejs/kit#7809
• [breaking] add builder.generateFallback(fallback) API sveltejs/kit#8013

Probably causes #28