[clang] [analyzer] Refactor MallocChecker to use `BindExpr` in `evalCall` (PR #106081)

[Pavel Skripkin via cfe-commits]

pskrgag wrote:

> LGTM, feel free to merge this patch.

Thank you for review! I have no rights to push to llvm-project. So you can merge if you think it's good time to do so =)

https://github.com/llvm/llvm-project/pull/106081