chore(deps): update dev dependency fastify to v4.26.2 (#331)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

package.json

@@ -42,7 +42,7 @@
         "eslint-config-airbnb-base": "15.0.0",
         "eslint-plugin-import": "2.29.1",
         "eslint-config-prettier": "8.10.0",
-        "fastify": "4.15.0",
+        "fastify": "4.26.2",
         "postcss": "8.4.31",
         "rollup": "2.79.1",
         "semantic-release": "23.0.2",