chore: update minimum recommended install

[salevine]

Update minimum memory to 8 GB instead of 4 B

Description

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Pull request type

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• Review Fixes
• Documentation Overhaul
• Feature/Story
  • Link one or more Engineering Tickets
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• A-Force
• Error in documentation
• Maintenance

Documentation tickets

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Checklist

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• Checked for Grammarly suggestions.
• Adhered to the writing checklist.
• Adhered to the media checklist.
• Verified and updated cross-references or added redirect rules.
• Tested the redirect rules on deploy preview.
• Validated the modifications made to the content on the deploy preview.
• Validated the CSS modifications on different screen sizes.

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Name	Status	Preview	Comments	Updated (UTC)
appsmith-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jul 29, 2025 5:35pm

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[tomjose92]

LGTM