workflows: pr-compile-check.yaml: add libnghttp2 system library test

Signed-off-by: Thomas Devoogdt <thomas@devoogdt.com>

Author: ThomasDevoogdt

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

@@ -47,7 +47,8 @@ jobs:
       - name: Setup environment
         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
+          sudo apt-get install -y curl gcc-7 g++-7 clang-6.0 libsystemd-dev gcovr libyaml-dev libluajit-5.1-dev \
+            libnghttp2-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 | \