New Plasma-5.12.7 for Lx 3 in main-updates repo (Bug Fix Release)

[ben79 (Ben Bullard)]

After updating you should have"

Plasma 5.12.7, a bug fix release. Thanks to @crisb for these packages.

https://www.kde.org/announcements/plasma-5.12.7.php

https://www.kde.org/announcements/plasma-5.12.6-5.12.7-changelog.php