chore: add libmsgpack-dev (#22)

Author: ravilock

Dockerfile

@@ -8,7 +8,7 @@ RUN set -x \
     && apt-get install -y --no-install-suggests \
     libluajit-5.1-dev libpam0g-dev zlib1g-dev libpcre3-dev libpcre2-dev \
     libexpat1-dev git curl build-essential lsb-release libxml2 libxslt1.1 libxslt1-dev autoconf libtool libssl-dev \
-    unzip libmaxminddb-dev libbrotli-dev cmake pkg-config libjansson-dev
+    unzip libmaxminddb-dev libbrotli-dev cmake pkg-config libjansson-dev libmsgpack-dev
 
 RUN git clone https://github.com/benmcollins/libjwt.git /home/libjwt && \
     cd /home/libjwt && \