Install libyaml-cpp in CI

Author: Tachi107

.github/workflows/meson.yaml

@@ -14,7 +14,7 @@ jobs:
         sudo rm /etc/apt/sources.list /etc/apt/sources.list.d/*
         printf "Enabled: yes\nTypes: deb\nURIs: http://azure.archive.ubuntu.com/ubuntu/\nSuites: focal focal-updates focal-backports focal-security hirsute\nComponents: main universe multiverse restricted\n" | sudo tee /etc/apt/sources.list.d/system.sources
         printf "APT::Default-Release \"focal\";\n" | sudo tee /etc/apt/apt.conf.d/00default-release
-        sudo apt-get -qq update && sudo apt-get -qq install --assume-yes meson libcurl4-openssl-dev libsimdjson-dev/hirsute
+        sudo apt-get -qq update && sudo apt-get -qq install --assume-yes meson libcurl4-openssl-dev libsimdjson-dev/hirsute libyaml-cpp-dev
 
     - name: Configure Meson
       run: meson setup build --buildtype=release