chore(deps): update cachix/install-nix-action digest to a49548c

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
cachix/install-nix-action (changelog)	action	digest	8aa0397 → a49548c

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Configuration

📅 Schedule: (in timezone Etc/UTC)

• Branch creation
  • Every 4 hours (* */4 * * *)
• Automerge
  • At any time (no schedule defined)

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• If you want to rebase/retry this PR, check this box

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This PR was generated by Mend Renovate. View the repository job log.

Summary by CodeRabbit

• Chores
  • Updated the automated lint workflow configuration to use a newer pinned setup revision.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 09a1d0ea-ad79-4f34-93c7-aeb702818ea7

📥 Commits

Reviewing files that changed from the base of the PR and between b3c38eb and 54d1a4b.

📒 Files selected for processing (1)

• .github/workflows/lint.yaml

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📝 Walkthrough

Walkthrough

The lint workflow updates the pinned revision of cachix/install-nix-action while retaining its existing action version comment.

Changes

Lint workflow

Layer / File(s)	Summary
Update Nix action pin .github/workflows/lint.yaml	The Nix installation step now references a new pinned action revision.

Estimated code review effort: 1 (Trivial) | ~2 minutes

🚥 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 pinned cachix/install-nix-action digest update in the workflow.
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
• Commit unit tests in branch renovate/cachix-install-nix-action-digest

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