Bump spring-webmvc from 3.1.1.RELEASE to 5.2.20.RELEASE in /ssmdemo

[dependabot[bot]]

Bumps spring-webmvc from 3.1.1.RELEASE to 5.2.20.RELEASE.

Release notes

Sourced from spring-webmvc's releases.

v5.2.20.RELEASE

:star: New Features

• Restrict access to property paths on Class references #28262
• Improve diagnostics in SpEL for large array creation #28257

v5.2.19.RELEASE

:star: New Features

• Declare serialVersionUID on DefaultAopProxyFactory #27785
• Use ByteArrayDecoder in DefaultClientResponse::createException #27667

:lady_beetle: Bug Fixes

• ProxyFactoryBean getObject called before setInterceptorNames, silently creating an invalid proxy [SPR-7582] #27817
• Possible NPE in Spring MVC LogFormatUtils #27783
• UndertowHeadersAdapter's remove() method violates Map contract #27593
• Fix assertion failure messages in DefaultDataBuffer.checkIndex() #27577

:notebook_with_decorative_cover: Documentation

• Lazy annotation throws exception if non-required bean does not exist #27660
• Incorrect Javadoc in [NamedParameter]JdbcOperations.queryForObject methods regarding exceptions #27581
• DefaultResponseErrorHandler update javadoc comment #27571

:hammer: Dependency Upgrades

• Upgrade to Reactor Dysprosium-SR25 #27635
• Upgrade to Log4j2 2.16.0 #27825

v5.2.18.RELEASE

:star: New Features

• Enhance DefaultResponseErrorHandler to allow logging complete error response body #27558
• DefaultMessageListenerContainer does not log an error/warning when consumer tasks have been rejected #27457

:lady_beetle: Bug Fixes

• Performance impact of con.getContentLengthLong() in AbstractFileResolvingResource.isReadable() downloading huge jars to check component length #27549
• Performance impact of ResourceUrlEncodingFilter on HttpServletResponse#encodeURL #27548
• Avoid duplicate JCacheOperationSource bean registration in #27547
• Non-escaped closing curly brace in RegEx results in initialization error on Android #27502
• Proxy generation with Java 17 fails with "Cannot invoke "Object.getClass()" because "cause" is null" #27498
• ConcurrentReferenceHashMap's entrySet violates the Map contract #27455

:hammer: Dependency Upgrades

• Upgrade to Reactor Dysprosium-SR24 #27526

v5.2.17.RELEASE

... (truncated)

Commits

• cfa701b Release v5.2.20.RELEASE
• 996f701 Refine PropertyDescriptor filtering
• 90cfde9 Improve diagnostics in SpEL for large array creation
• 94f52bc Upgrade to Artifactory Resource 0.0.17
• d4478ba Upgrade Java versions in CI image
• 136e6db Upgrade Ubuntu version in CI images
• 8f1f683 Upgrade Java versions in CI image
• ce2367a Upgrade to Log4j2 2.17.1
• acf7823 Next development version (v5.2.20.BUILD-SNAPSHOT)
• 1a03ffe Upgrade to Log4j2 2.16.0
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