Reducing pods so I can fix the cluster issues on demo

[jordankainos]

Jira link

See PROJ-XXXXXX

Change description

Testing done

Checklist

• [ ] commit messages are meaningful and follow good commit message guidelines
• [ ] README and other documentation has been updated / added (if needed)
• [ ] tests have been updated / new tests has been added (if needed)
• [ ] Does this PR introduce a breaking change

🤖AEP PR SUMMARY🤖

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• In demo.yaml for bulk-scan-payment-processor, the number of replicas was changed from 2 to 0.
• In demo.yaml for rpe-send-letter-service, the number of replicas was set to 0.
• In demo.yaml for ccd-case-document-am-api, the number of replicas was also set to 0.
• In demo.yaml for ccpay-bubble-frontend, the number of replicas was changed to 0, and the image was updated to hmctspublic.azurecr.io/ccpay/bubble-frontend:pr-915-ee223a4-20240918144251.
• In demo.yaml for help-with-fees-staffapp, the number of replicas was set to 0.
• In demo.yaml for reform-scan-notification-service, the number of replicas was set to 0, and the image was updated to hmctspublic.azurecr.io/reform-scan/notification-service:pr-1607-d070f40-20240920143906.