Add comment about wall-time wins of #119977

Author: Kobzol

triage/2024-01-23.md

@@ -95,6 +95,8 @@ Cache local DefId-keyed queries without hashing [#119977](https://github.com/rus
 | All ❌✅ (primary)                 | -1.2% | [-8.2%, 0.7%]  | 162   |
 
 * Incredible wins across many benchmarks, caused by improving hashing in the compiler.
+* The wall-time results of this PR were even more [impressive](https://perf.rust-lang.org/compare.html?start=92f2e0aa62113a5f31076a9414daca55722556cf&end=098d4fd74c078b12bfc2e9438a2a04bc18b393bc&stat=wall-time), resulting in a ~4% mean improvement across more than a hundred benchmark
+configurations!
 
 Get rid of the hir_owner query. [#120006](https://github.com/rust-lang/rust/pull/120006) [(Comparison Link)](https://perf.rust-lang.org/compare.html?start=25f8d01fd8bda339612d0c0a8844173a09205f7c&end=d3c9082a44f00b22152ebc9c92c129b10ccb7793&stat=instructions:u)