feat: bump climate-ref components to v0.16.1

[lewisjared]

Update the pinned Climate REF stack from v0.14.3 to v0.16.1 across every place the AFT repo tracks it, and raise the Python floor to 3.12 to match upstream.

Changes

• Pin climate-ref, -core, -celery, -esmvaltool, -pmp, -ilamb to 0.16.1 in pyproject.toml, versions.toml, helm/Chart.yaml (appVersion), helm/values.yaml, helm/README.md, and docker/docker-compose.yaml. Relocked uv.lock.
• requires-python → >=3.12 and drop 3.11 from the CI matrix. climate-ref v0.15.0 dropped Python 3.11.

Breaking changes (for deployers)

• Python 3.12 is now the floor. Upgrade the environment before deploying.
• Existing databases re-run each execution once on first use after upgrading. climate-ref v0.15.0 made the diagnostic input-dataset hash deterministic across pandas versions and platforms, so the stored hashes change.

Notes

• v0.16.1 ships default_ignore_datasets.yaml inside the climate_ref package (Climate-REF/climate-ref#800), which fixes the config test fixture for wheel-installed consumers. The AFT test suite therefore needs no workaround — it runs against the real upstream fixture. tests/conftest.py is unchanged from main.

Verification

• Full fast suite passes on Python 3.12 and 3.13 (11 passed); test_provider_discovery (which errored against 0.16.0) now passes with the packaged fixture.
• All 10 version-consistency checks pass; ruff check/format clean.
• helm template renders the worker image as ghcr.io/climate-ref/climate-ref:v0.16.1; frontend image unchanged.
• uv lock --check clean.

Summary by CodeRabbit

• Breaking Changes

  • Python 3.11 is no longer supported; Python 3.12+ is now required.
  • Existing databases may re-run once after upgrade due to updated hash values.

• Updates

  • Bumped the platform and worker images to version 0.16.1 across deployment and packaging settings.
  • CI now tests against Python 3.12 and 3.13 only.

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Review details

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 1a3138c1-5ef7-4617-858d-eec48a377b4a

📥 Commits

Reviewing files that changed from the base of the PR and between 4c4317a and 4d53655.

⛔ Files ignored due to path filters (1)

• uv.lock is excluded by !**/*.lock

📒 Files selected for processing (9)

• .github/workflows/ci.yml
• changelog/17.breaking.md
• changelog/17.improvement.md
• docker/docker-compose.yaml
• helm/Chart.yaml
• helm/README.md
• helm/values.yaml
• pyproject.toml
• versions.toml

📝 Walkthrough

Walkthrough

Updates the minimum supported Python version to 3.12 (removing 3.11 from CI matrix and pyproject constraint) and bumps pinned climate-ref component versions from 0.14.3 to 0.16.1 across pyproject.toml, versions.toml, Docker Compose images, Helm chart/values/README, and adds corresponding changelog entries.

Changes

Python Version and Climate-REF Version Bump

Layer / File(s)	Summary
CI and dependency Python version constraint .github/workflows/ci.yml, pyproject.toml, changelog/17.breaking.md	CI's install-pinned matrix drops Python 3.11, pyproject.toml raises requires-python to >=3.12, and a breaking changelog entry documents the new minimum version and related hashing behaviour change.
Climate-ref version pin bump pyproject.toml, versions.toml, changelog/17.improvement.md	Pinned climate-ref core, celery, and diagnostic provider (esmvaltool, pmp, ilamb) versions plus app-version are bumped from 0.14.3 to 0.16.1, documented in an improvement changelog entry.
Container image and Helm chart tag updates docker/docker-compose.yaml, helm/Chart.yaml, helm/values.yaml, helm/README.md	Docker Compose ref-init and base climate-ref service images, Helm chart appVersion, values.yaml image tag, and README provider defaults table are all updated from v0.14.3 to v0.16.1.

🚥 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 matches the main change: upgrading Climate REF components to v0.16.1.
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 feat/climate-ref-0.16.1

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