Try to fix Windows CI build

Author: cknitt

.github/workflows/ci.yml

@@ -64,6 +64,7 @@ jobs:
     steps:
       - name: "Windows: Set git to use LF"
         if: runner.os == 'Windows'
+        shell: bash
         run: |
           git config --global core.autocrlf false
           git config --global core.eol lf