chore: migrate Renovate base preset

[alceops]

Summary

• replaces deprecated Renovate config:base with config:recommended
• keeps the existing prConcurrentLimit unchanged

Verification

• python3 -m json.tool .github/renovate.json
• git diff --check

This is a narrow config-only cleanup surfaced by the open Dependency Dashboard "Config Migration Needed" item. I intentionally did not run atmos test run because the repo guidance says the Terratest suite deploys AWS resources and may incur cost.

Summary by CodeRabbit

• Chores
  • Updated dependency management configuration to use the recommended preset, improving the standards applied to automated dependency updates.

[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: 1e4fb5bd-1d0a-44f9-ad17-d88f32911828

📥 Commits

Reviewing files that changed from the base of the PR and between 22ba453 and 358e8d8.

📒 Files selected for processing (1)

• .github/renovate.json

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📝 Walkthrough

Walkthrough

Updates the Renovate configuration to extend "config:recommended" preset instead of "config:base", changing the default rules applied to automated dependency updates while maintaining the existing concurrent pull request limit setting.

Changes

Cohort / File(s)	Summary
Renovate Configuration .github/renovate.json	Updated extends array to use "config:recommended" preset instead of "config:base".

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐰 A hop, a skip, and one line changed,
Renovate's presets rearranged!
From base to recommended we spring,
Dependencies dance on a better wing! 🌱

🚥 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 'chore: migrate Renovate base preset' accurately summarizes the main change: migrating from the deprecated 'config:base' preset to 'config:recommended' in the Renovate configuration.
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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[mergify]

Important

Cloud Posse Engineering Team Review Required

This pull request modifies files that require Cloud Posse's review. Please be patient, and a core maintainer will review your changes.

To expedite this process, reach out to us on Slack in the #pr-reviews channel.