astro 1.0.6

#4324 45fdbc465 Thanks @BurntCaramel! - Use TextEncoder instead of Buffer.byteLength() for Deno compatibility
#4334 b55f76c1c Thanks @matthewp! - Fix double injecting of head content in md pages
#4329 0274b8d47 Thanks @tony-sull! - Updates routing logic to allow multiple routes to match the same URL in SSR
#4347 166b3b8a5 Thanks @bholmesdev! - Fix MDXLayoutProps type signature for linting