chore(deps): update devdependency tsx to ^4.21.0 (#467)

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

Author: renovate[bot]

package.json

@@ -68,7 +68,7 @@
     "tsdown": "^0.16.8",
     "tslib": "^2.8.1",
     "tsup": "^8.5.1",
-    "tsx": "^4.20.6",
+    "tsx": "^4.21.0",
     "turbo": "^2.6.1",
     "type-fest": "^5.2.0",
     "typescript": "^5.9.3",