fix(deps): update dependency @fastify/static to v7 (#6612)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Sarah Etter <sarah.etter@netlify.com>

Author: renovate[bot]

package-lock.json

@@ -71,7 +71,7 @@
   },
   "dependencies": {
     "@bugsnag/js": "7.23.0",
-    "@fastify/static": "6.12.0",
+    "@fastify/static": "7.0.4",
     "@netlify/blobs": "7.3.0",
     "@netlify/build": "29.41.5",
     "@netlify/build-info": "7.13.2",