This commit adds support for running Spring Batch jobs with a MongoDB
store. It aligns as much as possible to the JDBC counterpart, with
spring-boot-starter-batch-data-mongodb and spring-boot-starter-batch-data-mongodb-test.
As we do not have a way to initialize a MongoDB store at the moment,
this commit adds a conservative approach of executing commands defined
by the standard Spring Batch schema script.
Closes gh-43236
Stéphane Nicoll