Make sure we have the wheel package in the venv as it may be needed to build other dependencies.

pkg/linux/build-functions.sh

@@ -53,6 +53,10 @@ _create_python_virtualenv() {
     python3 -m venv venv
     source venv/bin/activate
 
+    # Make sure we have the wheel package present
+    pip3 install wheel
+
+    # Install the requirements
     pip3 install --no-cache-dir --no-binary psycopg2 -r ${SOURCEDIR}/requirements.txt
 
     # Figure out some paths for use when completing the venv