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

[Julian Schmidt via cfe-commits]

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@@ -133,3 +133,18 @@ Options
 
    When `true`, the check will allow conditional pointer conversions. Default
    is `false`.
+
+.. option::  UseUpperCaseSuffix
+
+   When `true`, the check will allow new explicit conversion use an uppercase
+   suffix when it applies.
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5chmidti wrote:

Maybe?: 
> When `true`, the replacements will use an uppercase literal suffix in the provided fixes.

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