Replace var_dir and var_file tasks with include_dir and include_var

[danpawlik]

Some of the variables files sometimes contains jinja2 template vars, so on set fact they are not "translated".

[openshift-ci]

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[softwarefactory-project-zuul]

Build failed (check pipeline). Post recheck (without leading slash)
to rerun all jobs. Make sure the failure cause has been resolved before
you rerun jobs.

https://softwarefactory-project.io/zuul/t/rdoproject.org/buildset/ffcab8225b5942c7abd46c90ab808cc1

✔️ openstack-k8s-operators-content-provider SUCCESS in 3h 34m 51s
✔️ podified-multinode-edpm-deployment-crc SUCCESS in 1h 21m 33s
❌ cifmw-crc-podified-edpm-baremetal FAILURE in 44m 30s
✔️ cifmw-pod-zuul-files SUCCESS in 4m 47s
✔️ adoption-standalone-to-crc-ceph-provider SUCCESS in 3h 08m 13s
✔️ noop SUCCESS in 0s
✔️ cifmw-pod-ansible-test SUCCESS in 9m 17s
✔️ cifmw-pod-pre-commit SUCCESS in 8m 48s
✔️ build-push-container-cifmw-client SUCCESS in 20m 28s
✔️ cifmw-molecule-cifmw_setup SUCCESS in 2m 39s

[danpawlik]

recheck

[softwarefactory-project-zuul]

Build failed (check pipeline). Post recheck (without leading slash)
to rerun all jobs. Make sure the failure cause has been resolved before
you rerun jobs.

https://softwarefactory-project.io/zuul/t/rdoproject.org/buildset/641e73c202c145f3b86ddc1dcee5b2ae

✔️ openstack-k8s-operators-content-provider SUCCESS in 1h 54m 44s
✔️ podified-multinode-edpm-deployment-crc SUCCESS in 1h 15m 28s
✔️ cifmw-crc-podified-edpm-baremetal SUCCESS in 1h 34m 37s
✔️ cifmw-pod-zuul-files SUCCESS in 4m 21s
❌ adoption-standalone-to-crc-ceph-provider FAILURE in 1h 39m 00s
✔️ noop SUCCESS in 0s
✔️ cifmw-pod-ansible-test SUCCESS in 8m 48s
✔️ cifmw-pod-pre-commit SUCCESS in 8m 15s
✔️ build-push-container-cifmw-client SUCCESS in 17m 48s
✔️ cifmw-molecule-cifmw_setup SUCCESS in 2m 20s

[danpawlik]

recheck