[clang-tools-extra] [clang-tidy] Fix false positive for generic lambda parameters in readability-non-const-parameter (PR #179051)

[via cfe-commits]

github-actions[bot] wrote:

<!--LLVM CODE LINT COMMENT: clang-tidy-->


:warning: C/C++ code linter, clang-tidy found issues in your code. :warning:

<details>
<summary>
You can test this locally with the following command:
</summary>

```bash

git diff -U0 origin/main...HEAD -- clang-tools-extra/clang-tidy/readability/NonConstParameterCheck.cpp |
python3 clang-tools-extra/clang-tidy/tool/clang-tidy-diff.py   -path build -p1 -quiet
```

</details>

<details>
<summary>
View the output from clang-tidy here.
</summary>

```
clang-tools-extra/clang-tidy/readability/NonConstParameterCheck.cpp:227:26: warning: variable 'UCE' set but not used [clang-diagnostic-unused-but-set-variable]
  227 |   } else if (const auto *UCE = dyn_cast<CXXUnresolvedConstructExpr>(E)) {
      |                          ^
```

</details>


https://github.com/llvm/llvm-project/pull/179051