Update Dockerfile

Author: chrisgorgo

Dockerfile

@@ -8,4 +8,4 @@ RUN apt-get update && \
     apt-get install -y nodejs && \
     rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
-RUN npm install -g bids-validator@0.19.8
+RUN npm install -g bids-validator@0.19.9