See gh-14660

Replace ExpectedException JUnit rules with AssertJ exception
assertions.

Closes gh-14336

Restore checkstyle import control and fix a few violations in the
process.

Closes gh-14660

Update checkstyle rules to fix import regex patterns for both packages
and classes.

* gh-11458:
  Polish "Fix shellcheck warnings in CLI's bash script"
  Fix shellcheck warnings in CLI's bash script

Closes gh-11458

See gh-11458

Closes gh-14473

Closes gh-13717

Closes gh-14456

* pr/14514:
  Add reference to valiktor-spring-boot-starter

Closes gh-14514

* pr/14568:
  Polish Neo4J BookmarkManager auto-configuration
  Auto-configure Neo4J BookmarkManager when possible

Closes gh-14568

Add `Neo4jBookmarkManagementConfiguration` which provides an instance
of `BookmarkManager` if necessary and Caffeine cache is on the
classpath. Depending on the kind of application, the `BookmarkManager`
will be request scoped or singleton, as recommended by Spring Data
Neo4j.

See gh-14568

Update `Assertable*ApplicationContext` interfaces so that they also
extend the appropriate `Configurable*ApplicationContext` interface.

Closes gh-14650

* pr/14621:
  Polish

Closes gh-14621

* pr/14621:
  Polish

See gh-14621

* gh-13714:
  Polish "Clarify that RestTemplateBuilder overwrites default converters"
  Clarify that RestTemplateBuilder overwrites default converters

Closes gh-13714

See gh-13714

Closes gh-14550

Closes gh-14612