* pr/11967:
  Polish "Add publishUnchangedMeters StatsD support"
  Add publishUnchangedMeters StatsD support

Closes gh-11967

Add configuration property to support publishing unchanged pollable
meters.

See gh-11967

Closes gh-11977

Fixes gh-10898

Closes gh-11979

Closes gh-11977

Closes gh-11934

Closes gh-11968

This commit sets a mapping resources list only when there is at least an
element in it. This allows the default fallback of finding an "orm.xml"
file to kick in when no customization has been applied.

Closes gh-11964

Previously, links were only provide to web endpoints. This commit
expands link resolution to also provide links for servlet endpoints,
controller endpoints, and rest controller endpoints.

Closes gh-11902

* pr/11971:
  Ignore Spring tool suite 4 cache

Closes gh-11971

Migrate remaining metrics `@Configuration` classes to individual
auto-configurations.

Fixes gh-11935

The `SimpleMetricsExportAutoConfiguration` should be last and it should
check for a `MeterRegistry` bean.

See gh-11838

Closes gh-11969

Closes gh-8513

See gh-8513

* pr/11597:
  Polish "Add Kafka sample"
  Add Kafka sample

Closes gh-11597

See gh-11597

Closes gh-10182

Closes gh-11934

Closes gh-11949