Update wasi-libc submodule (#625)

alexcrichton · web-flow · commit 600a442e1631 · 2026-04-15T03:43:42.000Z
Pulls in some final wasip3 bits here and there.
diff --git a/src/wasi-libc b/src/wasi-libc
@@ -1 +1 @@
-Subproject commit 2fc32bc81b9f07f8d9525edea59bfbaf760c06d6
+Subproject commit ed9e99a13c7c2d152b7f4347aaac42831362cdaf
