🧪 Fix dir removal OS compat @ CI

`rm -rfv` only works in Bash, and GHA doesn't use it on Windows by
default. This patch corrects that.

.github/workflows/ci-cd.yml

@@ -133,6 +133,7 @@ jobs:
           ${{ needs.pre-setup.outputs.dists-artifact-name }}
     - name: Delete the `yarl/` directory to prevent accidental imports
       run: rm -rfv yarl
+      shell: bash
     - name: Download distributions
       uses: actions/download-artifact@v3
       with: