Bump astro from 5.13.11 to 5.15.9#19

dependabot[bot] wants to merge 1 commit intomainletsbuilda/letsbuilda.dev:mainfrom

dependabot/npm_and_yarn/astro-5.15.9letsbuilda/letsbuilda.dev:dependabot/npm_and_yarn/astro-5.15.9Copy head branch name to clipboard