deadbeef-mpris2-plugin: 1.10 -> 1.11

Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/deadbeef-mpris2-plugin/versions.

These checks were done:

- built on NixOS

- 0 of 0 passed binary check by having a zero exit code.
- 0 of 0 passed binary check by having the new version present in output.
- found 1.11 with grep in /nix/store/isa0i2bjry1xg3l8895k10w1zwd4ij9f-deadbeef-mpris2-plugin-1.11
- directory tree listing: https://gist.github.com/020d669dc365b545d61d171c5566d03a
- du listing: https://gist.github.com/9cd938a3d8215dbc4f00d62fe20ca4f5