When we customize Couchbase's JacksonJsonSerializer with the
auto-configured ObjectMapper, Couchbase's JsonValueModule is lost.
This prevents the storage and retrieval of JSON objects.

This commit updates the Couchbase auto-configuration to use a copy
of the auto-configured ObjectMapper with the JsonValueModule added
to it.

Fixes gh-26363

See gh-26361

See gh-26359

See gh-26360

See gh-26358

Closes gh-26365

Closes gh-26364

Fixes gh-25798

Closes gh-25101

The `R2dbcDatabaseInitializationConfiguration` docs class is not needed
in 2.5.x.

Closes gh-26225

Closes gh-26354

Closes gh-26353

Closes gh-26350

Closes gh-26352

Closes gh-26351

Closes gh-25921

Closes gh-26349

Closes gh-26348

Closes gh-26286

See gh-6313

See gh-6313

Closes gh-26346

This commit updates config data property binding to ignore empty
elements in `spring.config.location` and `spring.config.import`
property values when a value is a comma-delimited string
representing a collection.

Fixes gh-26342

* pr/26320:
  Polish README

Closes gh-26320

See gh-26320

See gh-6313

See gh-6313

Closes gh-26334

Closes gh-26333

Closes gh-26332

Closes gh-26330

Closes gh-26329

Closes gh-26267

Closes gh-26328

Closes gh-26327