Run only python 3.11 GH Actions

Author: vlad-perevezentsev

.github/workflows/conda-package.yml

@@ -77,7 +77,7 @@ jobs:
 
     strategy:
       matrix:
-        python: ['3.9', '3.10', '3.11', '3.12']
+        python: ['3.11']
         os: [ubuntu-22.04, windows-2019]
 
     permissions: