feat(public-api): add histories method to api runs

[thanos-wandb]

Description

• Fixes WB-18916

What does the PR do? Include a concise description of the PR contents.

import wandb
api = wandb.Api()
runs = api.runs("<entity>/<project>", filters={})
df = runs.histories(samples, keys, x_axis, pandas, stream)

• [ ] I updated CHANGELOG.md, or it's not applicable

Testing

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