[clang-tools-extra] [clang-doc] fix names of conversions for template parameters (PR #140856)

[Erick Velez via cfe-commits]

evelez7 wrote:

> would you mind pre-committing the test so its easy to see what's changing in the output with this patch?

Could you explain what this means please? Do you mean reorganizing the PR so that the first commit is the test and then the second is the code change?

https://github.com/llvm/llvm-project/pull/140856