CI: Use 'python -m pip' to update pip. Remove jupyter_client=7.2.0 wo…

…rkaround

.github/scripts/install.sh

@@ -34,13 +34,9 @@ if [ "$USE_CONDA" = "true" ]; then
         fi
     done
 
-    # Install jupyter_client 7.2.0 to prevent ZMQ Socket operation on non-socket
-    # Remove this when the issue is fixed upstream most probaly with jupyter_client=7.2.3
-    # See https://github.com/spyder-ide/spyder/issues/17615
-    mamba install jupyter_client=7.2.0 -c conda-forge -q -y
 else
     # Update pip and setuptools
-    pip install -U pip setuptools
+    python -m pip install -U pip setuptools
 
     # Install Spyder and its dependencies from our setup.py
     pip install -e .[test]
@@ -61,11 +57,6 @@ else
         pip uninstall $dep -q -y
     done
 
-    # Install jupyter_client 7.2.0 to prevent ZMQ Socket operation on non-socket
-    # Remove this when the issue is fixed upstream most probaly with jupyter_client=7.2.3
-    # See https://github.com/spyder-ide/spyder/issues/17615
-    pip install -q jupyter_client==7.2.0
-
     # Remove Spyder to properly install it below
     pip uninstall spyder -q -y
 fi