The "tests.*" exclusion only excludes test subpackages from being
installed, while "tests" itself is still installed.  List it explicitly
to exclude it as well.

* Added TuncatedNormal, Laplace, Wald and Kumaraswamy RV

* Removed non-numpy related RVs

* Add Faddeeva functions for erfcx

* Fix c_code

* call c_header_dirs in Elemwise

* Add Faddeeva functions for erfcx

* Call CLinkerObject.c_header_dirs for scalar Op in Elemwise

* Add c_header_dirs method to aesara.scalar.Composite

* Clean up comments

* Remove Faddeeva.h
Co-authored-by: Brandon T. Willard <brandonwillard@users.noreply.github.com>

Add repository sponsorship links and security vulnerability form

Fix Split.__str__ and adjust its error messages