[clang] [Clang][diagnostics] Improve the diagnostics for chained comparisons (PR #129285)

[Aaron Ballman via cfe-commits]

================
@@ -7157,7 +7157,7 @@ def note_precedence_conditional_first : Note<
   "place parentheses around the '?:' expression to evaluate it first">;
 
 def warn_consecutive_comparison : Warning<
-  "comparisons like 'X<=Y<=Z' don't have their mathematical meaning">,
+  "comparisons like 'X %0 Y %1 Z' don't have their mathematical meaning">,
----------------
AaronBallman wrote:

```suggestion
  "chained comparison 'X %0 Y %1 Z' does not behave the same as a mathematical expression">,
```

https://github.com/llvm/llvm-project/pull/129285