shell mode related?

Author: cometkim

.github/workflows/ci.yml

@@ -193,6 +193,7 @@ jobs:
 
       - name: Add pinned dependencies (Windows)
         if: runner.os == 'Windows'
+        shell: bash
         run: opam pin add flow_parser https://github.com/rescript-lang/flow.git#d35a6f5c0cc219e85bbcb822d6f19ed9b2ec3448
 
       - name: Install OPAM dependencies