[clang] [clang-format] Rename option AlwaysBreakTemplateDeclarations (PR #81093)

[Owen Pan via cfe-commits]

owenca wrote:

> I'd go contrary to your [comment](https://github.com/llvm/llvm-project/pull/80827#issuecomment-1935386091) and rename the attribute. Because otherwise you still have the contradiction within the code.

I was not against renaming the attribute there. I just wanted it to be done in a separate NFC patch.

https://github.com/llvm/llvm-project/pull/81093