ci: use ANSIBLE_INJECT_FACT_VARS=false by default for testing

[richm]

Ansible 2.20 has deprecated the use of Ansible facts as variables. For
example, ansible_distribution is now deprecated in favor of
ansible_facts["distribution"]. This is due to making the default
setting INJECT_FACTS_AS_VARS=false. For now, this will create WARNING
messages, but in Ansible 2.24 it will be an error.

In order to ensure that commits and PRs conform to this, use
ANSIBLE_INJECT_FACT_VARS=false by default in our CI testing.

Update README-ostree.md if needed.

See https://docs.ansible.com/projects/ansible/latest/porting_guides/porting_guide_core_2.20.html#inject-facts-as-vars

Signed-off-by: Rich Megginson rmeggins@redhat.com

Summary by Sourcery

Align CI testing and documentation with Ansible’s INJECT_FACTS_AS_VARS=false behavior to prepare for upcoming deprecations.

CI:

• Set ANSIBLE_INJECT_FACT_VARS=false in integration test workflow environments to catch deprecated fact-as-var usage in CI.

Documentation:

• Update README-ostree to reference ansible_facts["distribution"] and ansible_facts["distribution_version"] instead of deprecated fact variables.

Chores:

• Propagate SR_ANSIBLE_INJECT_FACT_VARS=false through TFT workflow environment to mirror new Ansible fact injection defaults.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Configures CI to run Ansible with fact injection disabled and updates documentation to reference the new ansible_facts access pattern.

File-Level Changes

Change	Details	Files
Update documentation to reference ansible_facts-based fact access instead of deprecated fact variables.	Replace references to ansible_distribution with ansible_facts["distribution"] in README Replace references to ansible_distribution_version with ansible_facts["distribution_version"] in README	README-ostree.md
Set ANSIBLE_INJECT_FACT_VARS to false in CI workflows to catch deprecated fact-variable usage during testing.	Add ANSIBLE_INJECT_FACT_VARS="false" to the qemu-kvm-integration-tests GitHub Actions workflow environment Propagate an SR_ANSIBLE_INJECT_FACT_VARS=false variable into Terraform-based tests via the tft GitHub Actions workflow	.github/workflows/qemu-kvm-integration-tests.yml .github/workflows/tft.yml

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