[clang-tools-extra] [clang-tidy] Add new '-hide-progress' option to tidy-scripts for suppressing progress information (PR #154416)

[Baranov Victor via cfe-commits]

================
@@ -258,6 +258,11 @@ def main():
         help="Upgrades clang-tidy warnings to errors. Same format as '-checks'.",
         default="",
     )
+    parser.add_argument(
+        "-hide-progress",
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vbvictor wrote:

I initially implemented everything under `-quiet` but [concerns were raised](https://github.com/llvm/llvm-project/pull/154416#issuecomment-3202867663) that they should be separate. I imagine that in CI it would be helpful to have `-quiet` enabled but `-hide-progress` disabled.

https://github.com/llvm/llvm-project/pull/154416