[framework-fixtures]: Bump astro from 4.7.0 to 4.8.3 in /packages/static-build/test/fixtures/astro-v4 in the core group across 1 directory

[framework-fixtures]: Bump astro from 4.7.0 to 4.8.3 in /packages/static-build/test/fixtures/astro-v4 in the core group across 1 directory #12929