misc: Use ansible_facts instead of deprecated top-level fact variables

[vojtechtrefny]

Ansible deprecated the injected top-level ansible_* fact variables (e.g. ansible_distribution) in favour of accessing them through the ansible_facts dictionary.

Summary by CodeRabbit

• Bug Fixes
  • Improved dependency installation across Fedora, CentOS, Debian, and Ubuntu environments.
  • Preserved appropriate repository handling for different Ubuntu versions.
  • Improved architecture detection for 64-bit VDO support.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

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Review profile: CHILL

Plan: Pro Plus

Run ID: 076ad026-7e13-47e9-8824-faf700a0aab3

📥 Commits

Reviewing files that changed from the base of the PR and between b1ba4a2 and 15eadda.

📒 Files selected for processing (1)

• misc/libblockdev-tasks.yml

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📝 Walkthrough

Walkthrough

The dependency-installation tasks now use ansible_facts for distribution, distribution version, and architecture checks across Fedora, CentOS, Debian, and Ubuntu.

Changes

Dependency condition updates

Layer / File(s)	Summary
Fedora condition updates misc/libblockdev-tasks.yml	Fedora dependency and test tasks now use ansible_facts['distribution'].
CentOS condition updates misc/libblockdev-tasks.yml	CentOS dependency, test-dependency, and pylint tasks now use ansible_facts['distribution'].
Debian and Ubuntu condition updates misc/libblockdev-tasks.yml	Debian and Ubuntu tasks now use fact-based distribution and version checks. The 64-bit VDO condition now uses ansible_facts['architecture'].

Estimated code review effort: 2 (Simple) | ~10 minutes

Merge Risk: ⚪ Minimal · up to 15ead

This localized update replaces deprecated Ansible fact access without supplied evidence of a user-facing or production-impacting issue; no actionable merge-blocking risk remains after normal checks and review.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly summarizes the main change: replacing deprecated top-level Ansible fact variables with ansible_facts.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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