fix: upgrade M-family Instances - $583/yr savings

[infracost]

💰 Infracost opened this pull request as part of the following campaign:

Manual Optimization Campaign

Policy: EC2 - consider using latest generation instances for m family instances Upgrade to the latest generation of Amazon EC2 instances in the M family for enhanced CPU performance, increased memory capacity, and improved networking bandwidth, all at a more cost-effective price compared to previous generations.	Potential savings: $583/yr
Risk: Medium depending on the size selected, changing the instance type may impact application performance.
Deployment details: Requires downtime, Please see AWS docs for details the instance is restarted to apply the new instance type.

Next steps:
✅ Deploy this change before the campaign deadline: January 20, 2026
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[github-actions]

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[infracost]

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