Update test-suite.yml - add libxml2

Signed-off-by: AXM Software <35903292+axmsoftware@users.noreply.github.com>

.github/workflows/test-suite.yml

@@ -28,7 +28,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install .
-        pip install flake8 pytest pyOpenSSL==24.2.1 async-timeout==4.0.3 
+        pip install flake8 pytest pyOpenSSL==24.2.1 async-timeout==4.0.3 libxml2
         if [ -f dev_requirements.txt ]; then pip install -r dev_requirements.txt; fi
     - name: Lint with flake8
       run: |