feat(Makefile): Relabel the volume for selinux compatibility

[olivergondza]

What type of PR is this?

/kind bug

What does this PR do / why we need it:

Have you updated the necessary documentation?

• Documentation update is required by this PR.
• Documentation has been updated.

Which issue(s) this PR fixes:

How to test changes / Special notes to the reviewer:

Run make serve-docs on a selinux-enabled host.

Summary by CodeRabbit

• Chores
  • Updated documentation server configuration to improve compatibility with SELinux-enabled systems.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 2a4c5796-c334-4526-a4a5-c6a3fd587e41

📥 Commits

Reviewing files that changed from the base of the PR and between 41114a7 and 249a222.

📒 Files selected for processing (1)

• Makefile

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📝 Walkthrough

Walkthrough

The serve-docs Makefile target's Docker volume mount is updated to include the :Z SELinux relabeling option, changing from -v $(PWD):/argocd-operator to -v $(PWD):/argocd-operator:Z. This allows the container to properly access the mounted host directory with SELinux policies enforced.

Changes

Documentation Server Configuration

Layer / File(s)	Summary
SELinux-enabled docs server volume mount Makefile	The serve-docs target now mounts the project directory with SELinux relabeling enabled by adding the :Z option to the volume bind argument.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• argoproj-labs/argocd-operator#2151: Introduced the make serve-docs target that is now updated with SELinux volume mount support.

Suggested reviewers

• jgwest
• svghadi

Poem

🐰 A tiny flag, so small yet true,
:Z for SELinux shines through,
Docs now serve with proper grace,
Context labels in their place!

🚥 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 accurately describes the main change: adding SELinux relabel option to the volume mount in the Makefile's serve-docs target.
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.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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