chore(deps): update dependency tsdown to v0.20.3 (main) (renovatebot#41117)

chore(deps): update dependency tsdown to v0.20.3

| datasource | package | from   | to     |
| ---------- | ------- | ------ | ------ |
| npm        | tsdown  | 0.20.2 | 0.20.3 |

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

Author: renovate[bot]

package.json

@@ -359,7 +359,7 @@
     "semantic-release": "25.0.3",
     "tar": "7.5.7",
     "tmp-promise": "3.0.3",
-    "tsdown": "0.20.2",
+    "tsdown": "0.20.3",
     "tsx": "4.21.0",
     "type-fest": "5.4.3",
     "typescript": "5.9.3",