Fix install failures in edge cases

.github/workflows/ci.yml

@@ -64,6 +64,21 @@ jobs:
       - uses: ./
         with:
           tool: ${{ matrix.tool }}
+      # https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsshell
+      - name: Test bash
+        run: just --version; shfmt --version; protoc --version
+        shell: bash
+      - name: Test sh
+        run: just --version; shfmt --version; protoc --version
+        shell: sh
+        if: startsWith(matrix.os, 'ubuntu') || startsWith(matrix.os, 'macos')
+      - name: Test pwsh
+        run: just --version; shfmt --version; protoc --version
+        shell: pwsh
+      - name: Test powershell
+        run: just --version; shfmt --version; protoc --version
+        shell: powershell
+        if: startsWith(matrix.os, 'windows')
       # We use the version output to check the version of binstall, but they
       # several times change the version output format in the past so we need to
       # check it with CI. (e.g., 0.14.0->0.16.0 update change it