[GNU ELPA] Aumix-Mode version 7

[ELPA update]

Version 7 of package Aumix-Mode has just been released in GNU ELPA.
You can now find it in M-x list-packages RET.

Aumix-Mode describes itself as:

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  run the aumix program in a buffer
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More at https://elpa.gnu.org/packages/aumix-mode.html

## Summary:

  "M-x aumix" runs the aumix sound volume adjuster program in a buffer.

## Recent NEWS:

[Not provided 🙁]