fix: CE-917 enable autoscaling for test

[jon-funk]

Description

enable autoscaling for test and bump NATS replicas

Fixes # (CE-917)

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• [x] Successful infra deploy

Checklist

• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] New and existing unit tests pass locally with my changes

Further comments

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Thanks for the PR!

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[jon-funk]

This PR requires a quota increase for the test namespace before it's merged

[jon-funk]

@barrfalk

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud