ci: Fix Node.js install logic with proper conditionals

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Co-Authored-By: Claude <noreply@anthropic.com>

.gitea/workflows/build-container.yml

@@ -17,7 +17,13 @@ jobs:
     steps:
       - name: Install Node.js
         run: |
-          apk add --no-cache nodejs npm || apt-get update && apt-get install -y nodejs npm || yum install -y nodejs npm
+          if command -v apk > /dev/null; then
+            apk add --no-cache nodejs npm
+          elif command -v apt-get > /dev/null; then
+            apt-get update && apt-get install -y nodejs npm
+          elif command -v yum > /dev/null; then
+            yum install -y nodejs npm
+          fi
 
       - name: Checkout
         uses: actions/checkout@v4