ansible-test - Update default containers.

These containers include Python 3.11 sanity test environments.

test/lib/ansible_test/_data/completion/docker.txt

@@ -1,6 +1,6 @@
 base image=quay.io/ansible/base-test-container:3.1.0 python=3.10,2.7,3.5,3.6,3.7,3.8,3.9,3.11 seccomp=unconfined
-default image=quay.io/ansible/default-test-container:6.2.0 python=3.10,2.7,3.5,3.6,3.7,3.8,3.9,3.11 seccomp=unconfined context=collection
+default image=quay.io/ansible/default-test-container:6.3.0 python=3.10,2.7,3.5,3.6,3.7,3.8,3.9,3.11 seccomp=unconfined context=collection
-default image=quay.io/ansible/ansible-core-test-container:6.2.0 python=3.10,2.7,3.5,3.6,3.7,3.8,3.9,3.11 seccomp=unconfined context=ansible-core
+default image=quay.io/ansible/ansible-core-test-container:6.3.0 python=3.10,2.7,3.5,3.6,3.7,3.8,3.9,3.11 seccomp=unconfined context=ansible-core
 alpine3 image=quay.io/ansible/alpine3-test-container:4.0.0 python=3.9
 centos7 image=quay.io/ansible/centos7-test-container:4.0.0 python=2.7 seccomp=unconfined
 fedora34 image=quay.io/ansible/fedora34-test-container:4.0.0 python=3.9 seccomp=unconfined