remove rich from req

[sainivedh]

Why

• Remove rich as a necessary package in requirements.txt

How

• Prompt user to install rich when required, such as workflow graph display and dataset upload status

Tests

• Manual test by observing model upload logs

Notes

[github-actions]

Package	Line Rate	Health
clarifai	43%	❌
clarifai.cli	43%	❌
clarifai.client	71%	➖
clarifai.client.auth	74%	➖
clarifai.constants	100%	✔
clarifai.datasets	100%	✔
clarifai.datasets.export	80%	✔
clarifai.datasets.upload	75%	➖
clarifai.datasets.upload.loaders	37%	❌
clarifai.models	100%	✔
clarifai.modules	0%	❌
clarifai.rag	72%	➖
clarifai.runners	10%	❌
clarifai.runners.models	63%	➖
clarifai.runners.utils	60%	➖
clarifai.runners.utils.data_types	77%	➖
clarifai.schema	100%	✔
clarifai.urls	80%	✔
clarifai.utils	74%	➖
clarifai.utils.evaluation	67%	➖
clarifai.workflows	94%	✔
Summary	66% (6051 / 9137)	➖

Minimum allowed line rate is 50%

[sanjaychelliah]

LGTM