Add python-ldap dependencies

.github/workflows/ci.yml

@@ -34,6 +34,9 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python }}
+      - name: Install package dependencies
+        run: |
+          sudo apt-get install -y libsasl2-dev python-dev-is-python3 libldap2-dev libssl-dev
       - name: Install Python dependencies
         run: |
           pip install -r requirements.txt