TST: add py311 env with standard deps

.github/workflows/ci_workflows.yml

@@ -76,7 +76,8 @@ jobs:
     with:
       coverage: codecov
       display: true
-      # The Linux PyQt 5.15 installation requires apt-getting its xcb deps and headless X11 display
+      # The Linux PyQt 5.15 installation requires apt-getting its xcb deps and headless X11 display;
+      # as of Python 3.11 Scipy and h5py also need their own deps.
       libraries: |
         apt:
           - '^libxcb.*-dev'
@@ -86,6 +87,9 @@ jobs:
         brew:
           - enchant
       envs: |
+        - name: Python 3.11 rc with basic dependencies (Linux)
+          linux: py311-test-pyqt514
+          python-version: '3.11.0-rc.2'
         - name: Python 3.11 rc with (dev versions of) all optional dependencies (Linux)
           linux: py311-test-pyqt515-dev-all
           python-version: '3.11.0-rc.2'