fix: install runtime node for prisma (#16410)

Prisma CLI recently started bootstrapping npm@10 inside the runtime image, which now fails with a sizeCalculation cache error on the slim Python base. Installing Debian's nodejs/npm (along with libatomic1) lets Prisma reuse the system binaries so prisma generate completes again.

docker/Dockerfile.dev

@@ -57,6 +57,9 @@ USER root
 # Install only runtime dependencies
 RUN apt-get update && apt-get install -y --no-install-recommends \
     libssl3 \
+    libatomic1 \
+    nodejs \
+    npm \
     && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app