audio/alsa-plugins: update 1.2.7.1 → 1.2.12

Also:

• refresh patches;
• change maintainer from ports@ to rodrigo@ - maintainer other alsa ports: audio/alsa-lib audio/alsa-utils (if he is against changing the maintainer, then I will return the old value ports@).

PR: 280144
Approved by: rodrigo (maintainer, timeout > 2 weeks)