chore: update minimum recommended install (#2937)

Update minimum memory to 8 GB instead of 4 B

## Description 

Provide a concise summary of the changes made in this pull request
- 

## Pull request type

Check the appropriate box:

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

## Documentation tickets

 Link to one or more documentation tickets:
 - 

## Checklist

From the below options, select the ones that are applicable:

- [ ] 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.

Author: salevine

website/docs/getting-started/setup/README.md

@@ -13,7 +13,7 @@ You can host and manage Appsmith on your local machine or server, giving you com
 Appsmith works best on AMD and ARM architectures on AWS, Azure, GCP, and DigitalOcean. By default, Kubernetes and Docker Compose are recommended methods to run Appsmith. The current certified and recommended configurations are:
 
 - Two virtual CPUs
-- 4 GB of memory
+- 8 GB of memory
 
 You can follow one of the below guides to deploy Appsmith on the platform you prefer:
 
@@ -31,4 +31,4 @@ Appsmith needs internet access for several important features such as templates,
 ## See also
 
 - [Manage Installation](/getting-started/setup/instance-configuration): Learn how to manage your Appsmith instance.
-- [Upgrade Installation Guides](/getting-started/setup/instance-management/): Learn how to upgrade your Appsmith installation.
+- [Upgrade Installation Guides](/getting-started/setup/instance-management/): Learn how to upgrade your Appsmith installation.