astro 2.5.7

#7215 6e27f2f6d Thanks @bmenant! - Node adapter fallbacks to :authority http2 pseudo-header when host is nullish.
#7233 96ae37eb0 Thanks @bluwy! - Fix getViteConfig and Vitest setup with content collections
#7136 fea306936 Thanks @johannesspohr! - Render arrays of components in parallel
#7257 5156c4f90 Thanks @thiti-y! - fix: build fail upon have 'process.env' in *.md file.
#7268 9e7366567 Thanks @bholmesdev! - Fix: ignore .json files within content collection directories starting with an _ underscore.
#7185 339529fc8 Thanks @bholmesdev! - Bring back improved style and script handling across content collection files. This addresses bugs found in a previous release to @astrojs/markdoc.