config updated to deploy pr-2426 for SRT

[bharatkumarpatel1]

https://tools.hmcts.net/jira/browse/CCD-5771

Jira link

• [x] Does this PR introduce a breaking change

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• demo-image-policy.yaml
  • Changed the filterTags pattern from '^pr-2411-[a-f0-9]+-(?P[0-9]+)' to '^pr-2426-[a-f0-9]+-(?P[0-9]+)' in the demo-image-policy.yaml file.
• demo.yaml
  • Updated the image tag from 'hmctspublic.azurecr.io/ccd/data-store-api:pr-2411-7c34ddf-20240820090311' to 'hmctspublic.azurecr.io/ccd/data-store-api:pr-2426-afb39cb-20240819101607' in the demo.yaml file.