Allow non-org members to label requires-debug-assertions

jruderman tried to add this in rust-lang#104916, for example. I think I've seen this happen before as well.

Author: compiler-errors

triagebot.toml

@@ -15,7 +15,7 @@ allow-unauthenticated = [
     "llvm-main",
     "needs-fcp",
     "relnotes",
-    "requires-nightly",
+    "requires-*",
     "regression-*",
     "perf-*",
     "AsyncAwait-OnDeck",