astro 0.21.7

#2065 c6e4e283 Thanks @drwpow! - Bugfix: improve CSS import order
#2081 62a5e98c Thanks @drwpow! - Bugfix: CSS import ordering, empty CSS output on build
#2086 2a2eaadc Thanks @matthewp! - Fixes invalidation of proxy module (inline script modules)
#2048 1301f3da Thanks @matthewp! - Updates Astro.resolve to return project-relative paths
#2078 ac3e8702 Thanks @natemoo-re! - Fix behavior of renderers when no children are passed in
#2091 0a826c99 Thanks @drwpow! - Bugfix: allow special characters in filenames
#2064 5bda895f Thanks @jonathantneal! - Fixes an issue where void elements are rendered with opening and closing tags.
#2076 920d3da1 Thanks @tony-sull! - Improving build validation and error messages for client hydration directives
#2075 b348ca6c Thanks @drwpow! - Bugfix: allow dynamic importing of rehype plugins
Updated dependencies [ac3e8702]:
- @astrojs/renderer-preact@0.3.1
- @astrojs/renderer-react@0.3.1
- @astrojs/renderer-svelte@0.2.2
- @astrojs/renderer-vue@0.2.1