workflows: add libmsgpack system library test

Signed-off-by: Thomas Devoogdt <[email protected]>

.github/workflows/pr-compile-check.yaml

@@ -48,7 +48,7 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get install -y curl gcc-7 g++-7 clang-6.0 libsystemd-dev gcovr libyaml-dev libluajit-5.1-dev \
-            libnghttp2-dev libjemalloc-dev
+            libnghttp2-dev libmsgpack-dev libjemalloc-dev
           sudo ln -s /usr/bin/llvm-symbolizer-6.0 /usr/bin/llvm-symbolizer || true
           mkdir -p /tmp/libbacktrace/build && \
             curl -L https://github.com/ianlancetaylor/libbacktrace/archive/8602fda.tar.gz | \