revert miniconda change

Author: cielavenir

.github/workflows/ci.yml

@@ -135,7 +135,7 @@ jobs:
         shell: bash -l {0}
     strategy:
       matrix:
-        os: ["ubuntu-latest", "macos-13", "macos-14", "windows-latest"]
+        os: ["ubuntu-latest", "macos-latest", "windows-latest"]
         python_version: [ "python" ]
         include:
           - os: "ubuntu-latest"