Add support for MSSQL JSON data

[alxxyz]

MSSQL supports JSON data
https://learn.microsoft.com/en-us/sql/relational-databases/json/json-data-sql-server?view=sql-server-ver16

db schema

CREATE TABLE companies (
                id bigint IDENTITY PRIMARY KEY,
                partners nvarchar(4000) CHECK(
                    ISJSON(partners) = 1
                )
)

When I try to use a json(array) field

class Company {

    private List<Long> partners;
}

I get the error

org.springframework.dao.InvalidDataAccessResourceUsageException: Dialect org.springframework.data.r2dbc.dialect.SqlServerDialect does not support array columns
	at org.springframework.data.r2dbc.core.DefaultReactiveDataAccessStrategy.getArrayValue(DefaultReactiveDataAccessStrategy.java:245) ~[spring-data-r2dbc-1.5.2.jar:1.5.2]
	Suppressed: reactor.core.publisher.FluxOnAssembly$OnAssemblyException: 

[schauder]

Is this a duplicate of #509 or should we keep this for support in R2DBC vs JDBC in #509?