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

Set Ansible to use non-injected fact variables by default in CI workflows to align tests with upcoming Ansible deprecations.

CI:

• Configure qemu-kvm integration tests workflow to run with ANSIBLE_INJECT_FACT_VARS set to false.
• Pass SR_ANSIBLE_INJECT_FACT_VARS=false into the TFT workflow environment for Terraform-based testing.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Configures CI workflows to run Ansible tests with fact injection disabled by default, and propagates this behavior into the tft test environment variables.

File-Level Changes

Change	Details	Files
Set ANSIBLE fact injection to false in the qemu-kvm integration tests GitHub Actions workflow.	Add ANSIBLE_INJECT_FACT_VARS="false" to the workflow-level env section so all steps inherit the setting during CI runs	.github/workflows/qemu-kvm-integration-tests.yml
Propagate the ANSIBLE fact injection setting into the tft workflow’s system roles environment.	Add SR_ANSIBLE_INJECT_FACT_VARS=false to the environment variables passed into the tft job so downstream tooling runs with fact injection disabled	.github/workflows/tft.yml

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