Closes gh-22723

Closes gh-22717

* gh-21388:
  Polish "Test the launch script when executed directly"
  Test the launch script when executed directly

Closes gh-21388

See gh-21388

See gh-21388

See gh-22709

Closes gh-22709

Closes gh-22705

* pr/22704:
  Fix broken links to Micrometer registry docs

Closes gh-22704

See gh-22704

* gh-22681:
  Polish "Look in correct context when finding Liquibase beans"
  Look in correct context when finding Liquibase beans

Closes gh-22681

See gh-22681

See gh-22681

Fixes gh-19471

Closes gh-15977

Closes gh-22565

Closes gh-22655

Closes gh-22659

Closes gh-22650

The overhead of build scans seems to have brought us right to the limit
of the Maven JVM's heap. As a result, builds are occasionally failing
as the heap's been exhausted.

This commit increases the JVM's max heap.

Closes gh-22649

Fixes gh-20229

Closes gh-19557

This commit harmonizes dependency declarations for Jackson in the
actuator. Both Jackson and JSR 310 are back to optional in the core
actuator module and mandatory when using the auto-configuration.

Closes gh-22624

Closes gh-22591

Closes gh-22620

* gh-22614:
  Upgrade to Gradle Enterperise Maven Extension 1.6.0

Closes gh-22614

See gh-22614

* gh-22598:
  Fix link to Elasticsearch health indicator

Closes gh-22598

See gh-22598

* gh-22604:
  Polish "Use milliseconds when configuring awaitTerminationPeriod"
  Use milliseconds when configuring awaitTerminationPeriod

Closes gh-22604

See gh-22604

Prior to this change, TaskExecutorBuilder used seconds as its precision
to map the awaitTerminationPeriod value. This caused a loss of
millisecond information in the period.

This commit fixes the loss by converting the period to millisecond and
using setAwaitTerminationMillis to configure the executor.

See gh-22604

Closes gh-22607

Closes gh-20408

Closes gh-20896

Closes gh-21696

Closes gh-22278