fix: Updated credit account sequence to avoid duplication

[john-fletcher-aot]

Description

Changed credit account sequence and length of credit account number so we can use longer unique numbers in dev and test to avoid issues with account number duplication in CFS.

Fixes # ORV2-2605

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

• Standard SQL test written for version 38, ran without errors
• Reviewed database manually in SSMS to verify changes were successful
• Manually reverted changes using utility scripts after sample data loaded into local SQL Server instance

Checklist

• I have read the CONTRIBUTING doc
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• 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
• Any dependent changes have already been accepted and merged

Further comments

Fixed some other unrelated SQL tests as part of this PR

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[sonarcloud]

Quality Gate passed for 'onroutebc_policy'

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[sonarcloud]

Quality Gate passed for 'onroutebc frontend'

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