par2: fix assert failure

Closes #28795.
Closes #28796.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
perlmagick: fix to install to any $(brew --prefix)

not just /usr/local

removing unnecessary ENV appends

only one additional change to Makefile.PL from original formula to
install to non /usr/local
perlmagick: update 6.88 bottle.