feat: "rejectionhandled" Web event and "rejectionHandled" Node event (#21875)

This commit adds support for "rejectionhandled" Web Event and
"rejectionHandled" Node event.

```js
import process from "node:process";

process.on("rejectionHandled", (promise) => {
  console.log("rejectionHandled", reason, promise);
});

window.addEventListener("rejectionhandled", (event) => {
  console.log("rejectionhandled", event.reason, event.promise);
});
```

---------

Co-authored-by: Matt Mastracci <matthew@mastracci.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/cli/tests/integration/run_tests.rs b/cli/tests/integration/run_tests.rs
index 2a349a5f2..999dc1177 100644
--- a/cli/tests/integration/run_tests.rs
+++ b/cli/tests/integration/run_tests.rs
@@ -3672,6 +3672,11 @@ itest!(unhandled_rejection_dynamic_import2 {
   output: "run/unhandled_rejection_dynamic_import2/main.ts.out",
 });
 
+itest!(rejection_handled {
+  args: "run --check run/rejection_handled.ts",
+  output: "run/rejection_handled.out",
+});
+
 itest!(nested_error {
   args: "run run/nested_error/main.ts",
   output: "run/nested_error/main.ts.out",