fix: remove duplicate shell key in infra-health-check.yml

.github/workflows/book-build-container.yml

@@ -349,30 +349,6 @@ jobs:
           echo "🏷️ Container tag: ${{ inputs.container_tag }}"
           echo "✅ Current matrix job enabled: ${{ matrix.enabled }}"
 
-      - name: 🔑 Log in to GitHub Container Registry
-        if: matrix.platform == 'windows' && matrix.enabled
-        uses: docker/login-action@v3
-        with:
-          registry: ${{ inputs.container_registry }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-
-          $maxAttempts = 12
-          for ($i = 1; $i -le $maxAttempts; $i++) {
-            try {
-              docker version | Out-Null
-              Write-Host "Docker daemon is ready."
-              break
-            } catch {
-              if ($i -eq $maxAttempts) {
-                throw "Docker daemon failed to start after waiting."
-              }
-              Start-Sleep -Seconds 5
-            }
-          }
-
-
       - name: 🧪 Preflight toolchain (Linux)
         if: matrix.platform == 'linux' && matrix.enabled
         working-directory: ${{ vars.BOOK_QUARTO }}

.github/workflows/infra-health-check.yml

@@ -83,7 +83,6 @@ jobs:
             platform: linux
             container_name: quarto-linux
             shell: bash
-            shell: pwsh
 
     env:
       CONTAINER_IMAGE: ${{ inputs.container_registry || 'ghcr.io' }}/${{ github.repository }}/${{ matrix.container_name }}:${{ inputs.container_tag || 'latest' }}