add a reference link to the comment of the "cc" and "cmake".

Signed-off-by: onur-ozkan <[email protected]>

Author: onur-ozkan

src/bootstrap/Cargo.toml

@@ -33,9 +33,9 @@ path = "src/bin/sccache-plus-cl.rs"
 test = false
 
 [dependencies]
-# Most of the time updating these dependencies requires modifications
-# to the bootstrap codebase; otherwise, some targets will fail. That's
-# why these dependencies are explicitly pinned.
+# Most of the time updating these dependencies requires modifications to the
+# bootstrap codebase(e.g., https://github.com/rust-lang/rust/issues/124565);
+# otherwise, some targets will fail. That's why these dependencies are explicitly pinned.
 cc = "=1.0.73"
 cmake = "=0.1.48"