fix(deps): update dependency astro@<=5.15.6 to v7 [security] (#299)

* fix(deps): update dependency astro@<=5.15.6 to v7 [security]

BREAKING CHANGE: updated dependencies to major versions

* chore: merge renovate update against main

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Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Daniel Bannert <d.bannert@anolilab.de>

Author: renovate[bot]