update node

Author: jon23d

docker/variants/python/Dockerfile

@@ -45,7 +45,7 @@ RUN apt-get update && \
 # ─────────────────────────────────────────────
 # Install Node.js for opencode plugin runtime
 # ─────────────────────────────────────────────
-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 --no-install-recommends nodejs && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*

docker/variants/ts/Dockerfile

@@ -34,7 +34,7 @@ RUN ln -sf /etc/localtime /usr/local/etc/localtime
 # ─────────────────────────────────────────────
 # TypeScript-specific dependencies
 # ─────────────────────────────────────────────
-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 --no-install-recommends nodejs python3 python3-pip && \
     npm install -g typescript && \
     pip3 install --break-system-packages rich && \