Closes gh-26782

This commit introduces support in both servlet and webflux for the
"Accept-Patch" header, which is sent when the client sends unsupported
data in PATCH requests.
See  section 2.2 of RFC 5789.

Closes gh-26759

This commit introduces support in both servlet and webflux for the
"Accept-Patch" header in OPTIONS requests, as defined in section 3.1 of
RFC 5789.

See gh-26759

* pr/26776:
  Update copyright year of changed file
  Fix javadoc link syntax

Closes gh-26776

See gh-26776

See gh-26776

Avoid DNS resolution.

See gh-26748

See gh-26767

Closes gh-26748

* pr/26755:
  Add since to WebClient.ResponseSpec.awaitBodyOrNull()

Closes gh-26755

See gh-26755

Such variant is already provided for ClientResponse but not
for WebClient.ResponseSpec.

Closes gh-26731

This commit adds support for Kotlin non-nullable type which resolves
to primitive Java types in BridgeMethodResolver#findBridgedMethod.

Closes gh-26585

See gh-26746

See gh-26746

Closes gh-26744

This commit fixes an issue with CronExpression when used in combination
with ZonedDateTime and daylight saving time.

Closes gh-26744

This commit changes the encoding used to parse multipart headers from
ISO-8859-1 to UTF-8, in accordance with RFC 7578.

Closes gh-26736

See gh-26679

Closes gh-26740

Closes gh-26679

Upgrade to Hibernate ORM 5.4.30, Tomcat 9.0.44, FreeMarker 2.3.31, Log4J 2.14.1, TestNG 7.4, HtmlUnit 2.48

Closes gh-26714

Closes gh-26712

Closes gh-26690

Prior to this commit, if a test class annotated with @DirtiesContext
and @EnabledIf/@DisabledIf with `loadContext = true` was disabled due
to the evaluated SpEL expression, the ApplicationContext would not be
marked as dirty and closed.

The reason is that @EnabledIf/@DisabledIf are implemented via JUnit
Jupiter's ExecutionCondition extension API which results in the entire
test class (as well as any associated extension callbacks) being
skipped if the condition evaluates to `disabled`. This effectively
prevents any of Spring's TestExecutionListener APIs from being invoked.
Consequently, the DirtiesContextTestExecutionListener does not get a
chance to honor the class-level @DirtiesContext declaration.

This commit fixes this by implementing part of the logic of
DirtiesContextTestExecutionListener in
AbstractExpressionEvaluatingCondition (i.e., the base class for
@EnabledIf/@DisabledIf support). Specifically, if the test class for an
eagerly loaded ApplicationContext is disabled,
AbstractExpressionEvaluatingCondition will now mark the test
ApplicationContext as dirty if the test class is annotated with
@DirtiesContext.

Closes gh-26694

Closes gh-26687

See gh-25787

This commit fixes the missing pieces in our Maven Central publication
pipeline. Our first attempt at releasing with it showed a few problems:

* the promote task did not have the artifacts downladed with the
  artifactory repository
* we applied the wrong Sonatype credentials to the task
* the github changelog task would fail because of docker rate limiting
  since we were not using the right type of resource, which is
  configured with the proper caching mechanism

See gh-26654

Closes gh-26684

Closes gh-26650

Let's wait Spring Boot 2.5 to upgrade to 1.1.x

Closes gh-26674