Update rand test

This allows removing a patch for a test that requires unwinding support

Author: bjorn3

build_system/tests.rs

@@ -104,8 +104,8 @@ const BASE_SYSROOT_SUITE: &[TestCase] = &[
 pub(crate) static RAND_REPO: GitRepo = GitRepo::github(
     "rust-random",
     "rand",
-    "f3dd0b885c4597b9617ca79987a0dd899ab29fcb",
-    "3f869e4fcd602b66",
+    "9a02c819cc1e4ec6959ae25eafbb5cf6acb68234",
+    "4934f0afb1d1c2ca",
     "rand",
 );