[clang-tools-extra] [clang-tidy] Create bugprone-public-enable-shared-from-this check (PR #102299)

[Nathan James via cfe-commits]

njames93 wrote:

Actually an ASTVisitor approach could be better here, this way you could create a set of all the `CXXRecordDecls` that publicly inherit from or transitively inherit from `::std::enable_shared_from_this` during traversal

https://github.com/llvm/llvm-project/pull/102299