chore(deps): update dependency rolldown to v1.0.0-beta.19 (#2211)

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

Author: renovate[bot]

package.json

@@ -128,7 +128,7 @@
     "playwright-core": "^1.45.3",
     "prettier": "^3.3.3",
     "rc": "^1.2.8",
-    "rolldown": "1.0.0-beta.4",
+    "rolldown": "1.0.0-beta.19",
     "rollup": "^4.21.2",
     "rollup-plugin-dts": "^6.1.1",
     "rollup-plugin-node-builtins": "^2.1.2",