fix(deps): upgrade fastify and tar [security] (#7913)

* fix(deps): update dependency fastify to v5 [security]

* fix(deps): bump to latest @fastify/static

* fix(deps): bump transitive tar for security fix

just `npm audit fix --omit=dev`

* fix(deps): npm dedupe

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Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Philippe Serhal <philippe.serhal@netlify.com>

Author: renovate[bot]