[clang-tools-extra] [clang-tidy] use upper case letters for bool conversion suffix (PR #102831)

[Carlos Galvez via cfe-commits]

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@@ -133,3 +133,17 @@ Options
 
    When `true`, the check will allow conditional pointer conversions. Default
    is `false`.
+
+.. option::  UseUpperCaseLiteralSuffix
+
+   When `true`, the replacements will use an uppercase literal suffix in the
+   provided fixes. Default a lowercase literal suffix is used.
+
+    Example
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carlosgalvezp wrote:

Personally I don't think this is needed, the above text is already clear enough. But I'm fine to keep it.

https://github.com/llvm/llvm-project/pull/102831