Configuration properties change between `2.3.0.M1` and `2.3.0.M2`

.Deprecated keys in `2.3.0.M2`
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|Key  |Replacement |Reason
|`management.health.status.order` |`management.endpoint.health.status.order` |
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.New keys in `2.3.0.M2`
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|Key  |Default value |Description
|`management.health.status.http-mapping` | |
|`spring.data.couchbase.type-key` |`_class` |Name of the field that stores the type information for complex types when using "MappingCouchbaseConverter".
|`spring.data.mongodb.uuid-representation` |`java-legacy` |Representation to use when converting a UUID to a BSON binary value.
|`spring.flyway.validate-migration-naming` |`false` |Whether to validate migrations and callbacks whose scripts do not obey the correct naming convention.
|======================

.Removed keys in `2.3.0.M2`
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|Key  |Replacement |Reason
|======================