upgrade to node 16

Author: frsechet

Dockerfile

@@ -6,7 +6,7 @@ RUN curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain stable && \
 ENV PATH $PATH:/root/.cargo/bin
 
 # Install node
-RUN curl -sL https://rpm.nodesource.com/setup_12.x | bash - && \
+RUN curl -sL https://rpm.nodesource.com/setup_16.x | bash - && \
   yum install -y nodejs && yum clean all
 
 # Install dependencies