resolve faker 9 breaking changes

[mshima]

• faker.faker was replaced with incompatible faker.helpers.fake
• refDate throws exception on invalid dates.

fixes:

• use typescript to avoid obvious errors
• add changelogDate validation.
• add generateFromPattern that uses helpers.fromRegEx and fall back to RandExp.
• add valid changelogDate to built-in entities.
• fix changelogDate in IT samples fix wrong values due to liquibase changelog backward compatibility

Fixes #27367

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