See gh-16099

* pr/16219:
  Polish

Closes gh-16219

* pr/16108:
  Test server port shouldn't affect management port when random

Closes gh-16108

* pr/16224:
  Fix typo in logging.group property description

Closes gh-16224

Fixes gh-16014

Prior to this commit, exceptions nested in
`NestedServletExceptions` would not be recorded by the
`WebMvcMetricsFilter`. This commit ensures that exceptions
happening downstream (e.g. happening while writing the response
body itself) are properly recorded.

See https://github.com/micrometer-metrics/micrometer/issues/1190
See gh-16014

* pr/16213:
  Polish "Fix typo in spring-boot-features.adoc"
  Fix typo in spring-boot-features.adoc

Closes gh-16213

See gh-16213

* pr/16166:
  Polish "Update ambiguous documentation about ConfigurationProperties"
  Update ambiguous documentation about ConfigurationProperties

Closes gh-16166

See gh-16166

* pr/16170:
  Polish contribution
  Add support for Mustache, FreeMarker and Thymeleaf in WebFluxTest

Closes gh-16170

See gh-16170

* pr/16178:
  Add dependency management for micrometer-registry-stackdriver

Closes gh-16178

* pr/16193:
  Polish

Closes gh-16193

* pr/16203:
  Add more indentation settings to .editorconfig

Closes gh-16203

Update the `CustomEndpointConfiguration` class in
`ScheduledTasksEndpointAutoConfigurationTests` to be package private
so that it can be enhanced by cglib.

Prior to merge commit 361437f4 the class was a lite configuration so
it didn't matter that it was a private class.

Update the `BaseConfiguration` class in `ScheduledTasksEndpointTests`
to be package private so that it can be enhanced by cglib.

Prior to merge commit 361437f4 the class was a lite configuration so
it didn't matter that it was a private class.

Closes gh-16190

Closes gh-16188