[test] Provide 1.0G rather than 1G for integration tests

I couldn't figure out why JupyterLab fails to build
with 1G on initial commit, but succeeds if you do a bunch
of other commits after. Previously, I binary searched
down from 2G. Here, I just add a new, no-op commit
to see if that helps

.circleci/integration-test.py

@@ -32,7 +32,7 @@ def run_systemd_image(image_name, container_name, bootstrap_pip_spec):
         # This is the minimum VM size we support. JupyterLab extensions seem
         # to need at least this much RAM to build. Boo?
         # If we change this, need to change all other references to this number.
-        '--memory', '1G',
+        '--memory', '1.0G',
     ]
 
     if bootstrap_pip_spec: