Pywcmp

This release provides the following updates:
- add exit codes to ETS CLI
- add exit codes to KPI CLI

This release provides the following updates:

- updates centre-id handling per latest WTH/WCMP2 updates
- updates KPIs per latest WCMP2 updates
- move topic hierarchy handling to [pywis-topics](https://github.com/wmo-im/pywis-topics)
- fix WCMP2 record identifier tokenizing

This bugfix release provides the following update:

- force jsonschema upgrade in `requirements.txt`

This bugfix release provides the following update:

- fix KPI import for pygeoapi process

This release provides the following updates:

- remove support for WCMP1
- add KPIs as pygeoapi process

This release provides the following updates:

- fixes to WCMP2 ETS
- integration of codelists
- early exit on schema validation failures
- link relation validation