astro 1.0.0-beta.21

#3244 48a35e60 Thanks @matthewp! - Consolidates hydration scripts into one
#3256 f76038ac Thanks @matthewp! - Adds anonymous telemetry data to the cli
#3234 de123b28 Thanks @JuanM04! - Moved some type from astro to @astrojs/markdown-remark
Updated dependencies [de123b28, f76038ac, de123b28]:
- @astrojs/markdown-remark@0.9.3
- @astrojs/telemetry@0.1.0