Bump org.springframework.boot from 2.2.6.RELEASE to 2.2.7.RELEASE in /examples

[dependabot-preview]

Bumps org.springframework.boot from 2.2.6.RELEASE to 2.2.7.RELEASE.

Release notes

Sourced from org.springframework.boot's releases.

v2.2.7.RELEASE

⭐ New Features

• Throw exception if spring.config.location uses classpath*: #21174
• Deprecate PushRegistryConfig#numThreads #20835

🪲 Bug Fixes

• Classpath wildcards cannot be used with Java 11 or above #21320
• When a request is active, Undertow prevents the JVM from exiting #21319
• Binder @DefaultValue does not work with PropertyEditor converters #21264
• JarFiles are being left open #21126
• PortInUseException can be thrown when server address is wrong #21101
• Fat jars cause classloading problems with JDK11 and Security Manager #21073
• WelcomePageHandlerMapping does not honor CORS #21070
• PortInUseException thrown when Netty does not have the right to use configured port #21052
• ConditionalOnAvailableEndpoint does not deal with dashed IDs #21044
• Endpoint exposure patterns do not work with dashed IDs #21022
• Embedded database initial failed for setting empty spring.database.url #21003
• UndertowCompressionConfigurer fails on invalid Media Types #20955
• Default for spring.kafka.listener.missing-topics-fatal is no longer aligned with Spring Kafka's default #20917
• Test classes annotated with @SpringBootTest with different args attributes share a context when they should not #20866
• Unclear default for 'server.tomcat.use-relative-redirects' #20796
• CreateBootStartScripts causes a warning to be logged with Gradle 6.4 #20759
• spring.config.additional-location is ignored when spring.config.location is configured #20745
• Cassandra health indicator never report version attribute #20725
• ReactiveCassandraHealthIndicator runs a query that fails on some Consistency Levels #20717
• CassandraHealthIndicator runs a query that fails on some Consistency Levels #20711
• spring.security.oauth2.resourceserver.jwt.jws-algorithm is ignored when auto-configuring ReactiveJwtDecoder #20681
• MockitoPostProcessor can trigger early initialization of factory beans #20665
• Nested object is not initialized if no matching property is defined with constructor binding #18917
• When using log4j2 log4j2-test.* files are not detected #17001

📔 Documentation

• Improve documentation around relaxed binding, @Value, and the canonical form of properties #21106
• Add "Health as Gauge" how-to documentation #21091
• Enhance Database initialization how to guide #21077
• Document relaxed binding from environment variables #21027
• Document devtool property file profile restrictions #21025
• Make it more obvious that Jolokia does not work with a WebFlux app #20963
• Fix typo in Adding Active Profiles #20907
• Relocate section on configuring DevTools' file system watcher as it isn't specific to remote applications #20895
• Deprecate getters and setters for deprecated configuration properties consistently #20812
• Update documentation about endpoint enablement to reflect behaviour of @ConditionalOnAvailableEndpoint #20799
• Clarify the type to which connection-pool-specific spring.datasource properties are bound #20727
• Update system requirements to reflect support for Java 14 #20689
• Make it more obvious that Jolokia does not work with a WebFlux app #20623

🔨 Dependency Upgrades

... (truncated)

Commits

• ac70ee5 Release v2.2.7.RELEASE
• 31f9a96 Merge branch '2.1.x' into 2.2.x
• 1a4f6df Upgrade to Spring Ldap 2.3.3.RELEASE
• 55a1cd4 Upgrade to Spring Security 5.2.4.RELEASE
• c56a113 Merge branch '2.1.x' into 2.2.x
• 66afe28 Upgrade to Spring Security 5.1.10.RELEASE
• 5583f64 Add tests to verify Jetty's thread pool defaults match server defaults
• f29bce6 Harmonize default for server.tomcat.use-relative-redirects
• 386d678 Use Gradle's CreateStartScripts task with 6.4 and later
• addaf5f Upgrade to Jetty El 8.5.54
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