Update install.md

[Costasas]

Motivation

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Change Summary

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Merge Checklist

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• PR title adheres to the conventional commits standard
• PR has a changeset
• PR has been tagged with a change label(s) (i.e. documentation, feature, bugfix, or chore)
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Additional Context

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PR-Codex overview

The focus of this PR is to update the storage requirement in the installation guide for Hubble.

Detailed summary

• Updated storage requirement to 140 GB with a clarification
• Mentioned discrepancy in storage requirement on the official website

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[changeset-bot]

⚠️ No Changeset found

Latest commit: 83de710

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Name	Status	Preview	Comments	Updated (UTC)
hub-monorepo	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 25, 2024 4:41pm

[vsu727]

#2087