chore(deps): update dependency tsdown to v0.15.12 (main) (#2944)

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

Author: renovate[bot]

packages/next-sanity/package.json

@@ -133,7 +133,7 @@
     "react": "catalog:",
     "react-dom": "catalog:",
     "styled-components": "catalog:",
-    "tsdown": "0.15.11",
+    "tsdown": "0.15.12",
     "typescript": "catalog:",
     "vite-tsconfig-paths": "^5.1.4",
     "vitest": "^4.0.5"