chore: update manifest to 2.0.0

[ltroussellier]

Manifest update

Version: 1.0.0 → 2.0.0 (major)

Changelog

• attr_specs.yaml: new
• catalog_specs.yaml: new
• drs_specs.yaml: new
• project_specs.yaml: new
• activity_id: new collection model
• citation_url: new collection model
• contact: new collection model
• conventions: new collection model
• creation_date: new collection model
• data_specs_version: new collection model
• dataset_contributor: new collection model
• frequency: new collection model
• grid_label: new collection model
• institution_id: new collection model
• license: new collection model
• nominal_resolution: new collection model
• obs4MIPs_institution_id: updated collection model
• processing_code_location: new collection model
• product: new collection model
• realm: new collection model
• references: new collection model
• region: new collection model
• source_id: new collection model
• source_type: new collection model
• time_range: new collection model
• tracking_id: new collection model
• variable_id: new collection model
• variant_label: new collection model
• version: new collection model
• activity_id: 1 added
• citation_url: 2 added
• contact: 1 added
• conventions: 2 added
• creation_date: 1 added
• data_specs_version: 2 added
• dataset_contributor: 1 added
• frequency: 24 added
• grid_label: 45 added
• institution_id: 33 added
• license: 1 added
• nominal_resolution: 15 added
• obs4MIPs_frequency: 4 removed
• obs4MIPs_institution_id: 2 removed
• obs4MIPs_license: 1 removed
• obs4MIPs_realm: 2 removed
• processing_code_location: 1 added
• product: 4 added
• realm: 12 added
• references: 1 added
• region: 68 added
• source_id: 22 added
• source_type: 5 added
• time_range: 3 added
• tracking_id: 2 added
• variable_id: 624 added
• variant_label: 2 added
• version: 2 added

---

Once merged, publish the release:

gh workflow run publish.yml \
  -R WCRP-CMIP/esgvoc_registry \
  -f project_id=obs4ref \
  -f bump_type=major \
  -f project_repo=Climate-REF/Obs4REF_CVs

[github-actions]

Release preview

No CV files changed — no release needed.