FACT-1703 Points demo at PR

[RuthKirby]

Jira link

https://tools.hmcts.net/jira/browse/FACT-1703

Change description

Points demo at PR to test FACT-1703.

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

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apps/reform-scan/reform-scan-blob-router/demo.yaml

• Added a new image reference for Java
• Set TASK_SCAN_DELAY to 300000
• Set CREATE_RECONCILIATION_SUMMARY_REPORT_ENABLED to "false"