No longer compatible with beets 2.0 unstable

[Ramblurr]

Unfortunately this great little plugin is no longer compatible with beets 2.0 unstable. They now depend on numpy 2.x, while dr13_tmeter requires < 2.0.

       > Found duplicated packages in closure for dependency 'numpy':
       >   numpy 2.2.0 (/nix/store/jajcj17x1mj1gsy1lhb7paf702z3kcx1-python3.12-numpy-2.2.0)
       >     dependency chain:
       >       this derivation: /nix/store/4hfgg26376xcd1md9x87pzk7v8kswps4-beets-2.2.0-unstable-2024-12-02
       >       ...depending on: /nix/store/apifxyykrnrz0xnfmcfxmzf7b2hza4ig-python3.12-librosa-0.10.2.post1
       >       ...depending on: /nix/store/j8abimmqbz4rqv0iigbfavx0mylp4611-python3.12-numba-0.61.0dev0
       >       ...depending on: /nix/store/jajcj17x1mj1gsy1lhb7paf702z3kcx1-python3.12-numpy-2.2.0
       >   numpy 1.26.4 (/nix/store/f6n37s0wrqbiykxklxnm7bs82kap1f5p-python3.12-numpy-1.26.4)
       >     dependency chain:
       >       this derivation: /nix/store/4hfgg26376xcd1md9x87pzk7v8kswps4-beets-2.2.0-unstable-2024-12-02
       >       ...depending on: /nix/store/v7ndqshnf1j3p58a5xgl5qpp9mgkh6vg-beets-dynamicrange-unstable-2023-12-05
       >       ...depending on: /nix/store/df7i3ny9zdnflrkbpsg7yxvw60g5paaz-dr14_tmeter-1.0.16
       >       ...depending on: /nix/store/f6n37s0wrqbiykxklxnm7bs82kap1f5p-python3.12-numpy-1.26.4
       >