fix

Author: Alex-PLACET

.github/workflows/osx.yml

@@ -56,7 +56,7 @@ jobs:
         run: cmake --build . --target run_tests_with_junit_report
 
   osx_build_fetch_from_source:
-    runs-on: macos-latest
+    runs-on: macos-15
     strategy:
       matrix:
         build_type: [Release, Debug]

.github/workflows/windows.yml

@@ -8,7 +8,6 @@ on:
 
 defaults:
   run:
-    # micromamba activation
     shell: bash -e -l {0}
 
 jobs:
@@ -27,8 +26,8 @@ jobs:
         with:
           environment-file: ./environment-dev.yml
           environment-name: build_env
+          init-shell: bash
           cache-environment: true
-          init-shell: cmd.exe
 
       - name: Configure using cmake
         run: |