Enable validations for cumulative type params

[courtneyholcomb]

Description

Enable validations for cumulative_type_params and bump to a new patch version. This version will be added to dbt-core after this PR merges to ensure these fields are validated once they are enabled.

Checklist

• [x] I have read the contributing guide and understand what's expected of me
• [x] I have signed the CLA
• [x] This PR includes tests, or tests are not required/relevant for this PR
• [ ] I have run changie new to create a changelog entry