Pr261 using File::Path::Tiny

[shawnlaffan]

This adds two commits to those in PR #261 to use File::Path::Tiny to remove the temp files. They are also rebased on current main.

Passes the tests added by @f20

An alternate approach would be to use File::Find to list all the files under the temp dir, sorted by depth, and then delete them using unlink.

There are two new warnings related to tainting. I'm not sure how important they are.

t/regression/taint01.t ................................ 1/1     (in cleanup) Insecure dependency in unlink while running with -T switch at C:/perls/5.40.0.1_PDL/perl/site/lib/File/Path/Tiny.pm line 74.
t/regression/taint01.t ................................ ok
t/regression/taint02.t ................................ 1/1     (in cleanup) Insecure dependency in unlink while running with -T switch at C:/perls/5.40.0.1_PDL/perl/site/lib/File/Path/Tiny.pm line 74.
t/regression/taint02.t ................................ ok

As a side note, I wonder if the temp dirs should have a prefix such as ewxlsx so they are easier to identify on the temp dir. I can add that if it is considered useful, or open a separate PR.