[clang-tools-extra] Add option to exclude headers from clang-tidy analysis (PR #91400)

[Piotr Zegar via cfe-commits]

================
@@ -292,6 +296,14 @@ def main():
         "-config option after reading specified config file. "
         "Use either -config-file or -config, not both.",
     )
+    parser.add_argument(
+        "-exclude-header-filter",
+        default=None,
+        help="regular expression matching the names of the "
----------------
PiotrZSL wrote:

regular -> Regular 
```suggestion
        help="Regular expression matching the names of the "
```

https://github.com/llvm/llvm-project/pull/91400