build(deps): relax more-itertools dependency

[lukedyer-peak]

Resolves #173

Description

Allow for more versions of more-itertools to be installed. The current pin conflicts with dash-extensions==1.0.1

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
• [x] I have run changie new to create a changelog entry