Refs #34986 -- Installed libmemcached-dev in PyPy 3.10 daily builds.

.github/workflows/schedule_tests.yml

@@ -50,6 +50,8 @@ jobs:
           python-version: pypy-3.10-nightly
           cache: 'pip'
           cache-dependency-path: 'tests/requirements/py3.txt'
+      - name: Install libmemcached-dev for pylibmc
+        run: sudo apt-get install libmemcached-dev
       - name: Install and upgrade packaging tools
         run: python -m pip install --upgrade pip setuptools wheel
       - run: python -m pip install -r tests/requirements/py3.txt -e .