remove powershell init from workflow

Author: robertjwilson

.github/workflows/python-app-daily.yml

@@ -25,10 +25,9 @@ jobs:
         with:
           micromamba-version: '1.4.5-0'
           environment-name: foo
-          create-args: cdo=2.4.0 nco cartopy python=3.12
+          create-args: cdo=2.4.0 nco cartopy python=3.13
           init-shell: >-
             bash
-            powershell
           cache-environment: true
           post-cleanup: 'all'
       - name: Install dependencies

.github/workflows/python-app-linux.yml

@@ -30,7 +30,6 @@ jobs:
           create-args: cdo=2.4.0 nco cartopy python=3.10
           init-shell: >-
             bash
-            powershell
           cache-environment: true
           post-cleanup: 'all'
       - name: Install dependencies