Fix package conflict by removing curl dependency

- Remove curl from package installation to avoid curl/curl-minimal conflict
- Replace curl with wget in health check and Node.js installation scripts
- wget is already installed and provides same functionality

🤖 Generated with [Claude Code](https://claude.ai/code)

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

scripts/install-node20.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-curl -fsSL https://rpm.nodesource.com/setup_20.x | bash -
+wget -qO- https://rpm.nodesource.com/setup_20.x | bash -
 dnf install -y nodejs
 npm install -g npm@latest
 node --version