👷 🚀 add conda CI for GPU

.github/workflows/conda.yml

 name: conda
 on:
-  push:
-    branches:
-      - master
+  - workflow_dispatch
 env:
   ANACONDA_USERNAME: ${{ secrets.ANACONDA_USERNAME }}
   ANACONDA_PASSWORD: ${{ secrets.ANACONDA_PASSWORD }}
@@ -11,7 +9,7 @@ jobs:
     strategy:
       matrix:
         python: [3.7, 3.8]
-        package: [spleeter]
+        package: [spleeter, spleeter-gpu]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2

conda/spleeter-gpu/meta.yaml

+{% set name = "spleeter-gpu" %}
+{% set version = "2.0.2" %}
+
+package:
+  name: {{ name|lower }}
+  version: {{ version }}
+
+source:
+  - url: https://pypi.io/packages/source/{{ name[0] }}/{{ name }}/{{ name }}-{{ version }}.tar.gz
+    sha256: ecd3518a98f9978b9088d1cb2ef98f766401fd9007c2bf72a34e5b5bc5a6fdc3
+
+build:
+  number: 0
+  script: {{ PYTHON }} -m pip install . -vv
+  skip: True  # [osx]
+  entry_points:
+    - spleeter = spleeter.__main__:entrypoint
+
+requirements:
+  host:
+    - python {{ python }}
+    - pip
+  run:
+    - python {{ python }}
+    - tensorflow-gpu ==2.2.0  # [linux]
+    - tensorflow-gpu ==23.0  # [win]
+    - pandas
+    - ffmpeg-python
+    - norbert
+    - librosa
+
+test:
+  imports:
+    - spleeter
+    - spleeter.commands
+    - spleeter.model
+    - spleeter.utils
+    - spleeter.separator
+
+about:
+  home: https://github.com/deezer/spleeter
+  license: MIT
+  license_family: MIT
+  license_file: LICENSE
+  summary: The Deezer source separation library with pretrained models based on tensorflow.
+  doc_url: https://github.com/deezer/spleeter/wiki
+  dev_url: https://github.com/deezer/spleeter
+
+extra:
+  recipe-maintainers:
+    - Faylixe
+    - romi1502
\ No newline at end of file

conda/spleeter/conda_build_config.yaml

-python:
-  - 3.7
-  - 3.8
\ No newline at end of file