Move to ansible 3.x

[cristicalin]

What would you like to be added:
Following the merge of #7600 and subsequent release of our 2.16.0 version, I propose we move to ansible-base 2.10.x which is included in the new upstream ansible 3.x branch as the default ansible version of kubespray.

Why is this needed:
We should try to keep up with ansible evolution and adapt our code to use the new versions. This change would allow us to start migrating our code to use fully qualified module names.

[cristicalin]

Seems that flipping the default ansible is a lot more headache.

Current outstanding issues:

• we need to ensure the CI is able to upgrade the ansible version (already covered in the ongoing PR)
• we need a newer linter (already upgraded to 5.0.11 in the ongoing PR)
• the newer linter complains about a lot more issues (see: https://gitlab.com/kargo-ci/kubernetes-sigs-kubespray/-/jobs/1309959818), we would need to fix these issues

[cristicalin]

Mitogen tests are failing due to mitogen 0.2.x not being supported with Ansible 2.10. We need to wait for version 0.3.0 to be released.

See https://mitogen.networkgenomics.com/changelog.html

[cristicalin]

Linked issue #7689

[cristicalin]

ansible/ansible#74850 was merged and will probably make it into the next tagged 2.10.x release (2.10.11).