[2.23] kubernetes: hashes for 1.27.8, 1.26.11, default to 1.27.8 (#10706)

* kubernetes: add hashes for 1.27.8, 1.26.11

Make 1.27.8 default.

* Convert exoscale tf provider to new version (#10646)

This is untested. It passes terraform validate to un-broke the CI.

* Update 0040-verify-settings.yml (#10699)

remove embedded template

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Co-authored-by: piwinkler <9642809+piwinkler@users.noreply.github.com>