Update Dockerfile

Dockerfile

@@ -21,9 +21,9 @@ RUN apt-get update && apt-get install -y \
     && rm -rf /var/lib/apt/lists/*
 
 # Install Node.js and npm
-RUN curl -fsSL https://deb.nodesource.com/setup_18.x | bash - && \
+RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \
     apt-get install -y nodejs && \
-    npm install -g npm@latest yarn
+    npm install -g yarn
 
 ARG CODE_RELEASE
 RUN curl -s https://api.github.com/repos/gitpod-io/openvscode-server/releases/latest | \