add sudo apt-get to ci

Author: martinjrobins

.github/workflows/pytest.yml

@@ -29,8 +29,8 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
-        apt-get update
-        apt-get install -y libldap2-dev libsasl2-dev
+        sudo apt-get update
+        sudo apt-get install -y libldap2-dev libsasl2-dev
         python -m pip install --upgrade pip wheel
         python -m pip install flake8 pytest pytest-django
         python -m pip install -r requirements/requirements.txt