chore(vendor): import pi 1.3.0

Imported as a linear vendor commit so forge rebases do not replay the upstream root tree.

git-subtree-dir: third_party/pi

git-subtree-split: 71023aec1546d6d677a65669c5665c0927ce0dd0

third_party/pi/scripts/issues/register.mjs

@@ -0,0 +1,3 @@
+import { register } from "node:module";
+
+register("./source-hooks.mjs", import.meta.url);