Add missing install of dependency liblz4

Trying to build using the Dockerfile lead to an error as liblz4 was not installed.

Dockerfile

@@ -7,7 +7,7 @@ ENV GOROOT=/usr/local/go
 ENV GOPATH=/go
 ENV PATH=$GOPATH/bin:$GOROOT/bin:$PATH
 
-RUN apt-get update && apt-get install -y git build-essential dh-autoreconf pkg-config libuv1-dev libsqlite3-dev tcl8.6 wget
+RUN apt-get update && apt-get install -y git build-essential dh-autoreconf pkg-config libuv1-dev libsqlite3-dev liblz4-dev tcl8.6 wget
 
 WORKDIR /opt
 
@@ -49,4 +49,4 @@ COPY --from=dqlite-lib-builder \
 COPY --from=dqlite-lib-builder \
     /lib/x86_64-linux-gnu/libsqlite3.so \
     /lib/x86_64-linux-gnu/libsqlite3.so.0 \
-    /usr/lib/x86_64-linux-gnu/  
+    /usr/lib/x86_64-linux-gnu/