net-libs/tox: bump to version 0.2.8

net-libs/tox: bump to version 0.2.8

This commit:
adds the use flag ipv6 to enable ipv6 tests;
removes a line that deleted .la files;
src_config() was modified
a new maintainer was added in metadata.xml.

Bug: https://bugs.gentoo.org/668264
Bug: https://bugs.gentoo.org/629828
Closes: https://bugs.gentoo.org/661692
Signed-off-by: Josiah Mullins <JoMull01@protonmail.com>
Package-Manager: Portage-2.3.49, Repoman-2.3.11
Closes: https://github.com/gentoo/gentoo/pull/10161
Signed-off-by: Michał Górny <mgorny@gentoo.org>