gratuitous commit to skip travis build.

run failed. Didn't get out of the gate. Try making true an array/list.

[skip travis]

Author: rouilj

.github/workflows/ci-test.yml

@@ -67,7 +67,7 @@ jobs:
             # example: if 3.12 fails the jobs still succeeds
             - python-version: 3.12 
               os: ubuntu-22.04
-              experimental: true
+              experimental: [true]
 
             # 3.6 not available on new 22.04 runners, so run on 20.04 ubuntu
             - python-version: 3.6