test: migrate math/base/special/acosh to ULP-based testing

[Kaushikgtm]

Resolves #11352

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Coverage Report

Package	Statements	Branches	Functions	Lines
math/base/special/acosh	$\color{green}217/217$ $\color{green}+100.00%$	$\color{green}14/14$ $\color{green}+100.00%$	$\color{green}2/2$ $\color{green}+100.00%$	$\color{green}217/217$ $\color{green}+100.00%$

The above coverage report was generated for the changes in this PR.