Ignore to-be-removed bootstrap test

Author: Mark-Simulacrum

src/bootstrap/src/core/config/tests.rs

@@ -69,6 +69,7 @@ fn download_ci_llvm() {
 //   - https://github.com/rust-lang/rust/issues/109120
 //   - https://github.com/rust-lang/rust/pull/109162#issuecomment-1496782487
 #[test]
+#[ignore = "https://github.com/rust-lang/rust/pull/146636#issuecomment-3300484954"]
 fn detect_src_and_out() {
     fn test(cfg: Config, build_dir: Option<&str>) {
         // This will bring absolute form of `src/bootstrap` path