[clang] [libformat] Implement `TemplateTypeParameterKeyword` fixer (PR #192223)

[Björn Schäpers via cfe-commits]

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@@ -21925,6 +21925,99 @@ TEST_F(FormatTest, SpaceAfterTemplateKeyword) {
   verifyFormat("template<int> void foo();", Style);
 }
 
+TEST_F(FormatTest, TemplateTypeParameterKeyword) {
+  {
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HazardyKnusperkeks wrote:

No need for the blocks, use the same style for all tests.

https://github.com/llvm/llvm-project/pull/192223