dev-perl/Cache-Memcached-Fast: Bump to version 0.260.0

dev-perl/Cache-Memcached-Fast: Bump to version 0.260.0

- EAPI7
- Correct license as best possible given upstream weirdness: Although
  its very unlikely an end user will use the C parts of this as a
  library, the possibility still exists that they will, and after
  installing/downloading this package from Gentoo mirrors, may attempt
  to crib some of its source code. Subsequently, the only thing that
  makes sense is to forward expose the LGPL-2.1+ part mandatorially,
  because we can't make assertions about how people will use this.
- Do unconditional removal of annoying tests
- Add warning about known test failure with bug #722848 ref, but this
  path only seems to affect code that tries to use the (new) methods,
  gat/gat_multi, so existing code is likely unaffected.

Upstream:
- Fix the stack when not returning anything
- Add methods "->gat" and "->gat_multi" for updating expiration time
  while fetching a key/keys.

Bug: https://bugs.gentoo.org/722848
Package-Manager: Portage-2.3.99, Repoman-2.3.22
Signed-off-by: Kent Fredric <kentnl@gentoo.org>