build(rust): vendor googletest crate

third_party/crates/rustversion-1.0.23/tests/ui/bad-date.stderr

@@ -0,0 +1,11 @@
+error: expected nightly date, like 2025-02-25
+ --> tests/ui/bad-date.rs:1:24
+  |
+1 | #[rustversion::nightly(stable)]
+  |                        ^^^^^^
+
+error: expected nightly date, like 2025-02-25
+ --> tests/ui/bad-date.rs:4:28
+  |
+4 | #[rustversion::any(nightly(stable))]
+  |                            ^^^^^^