Bump spring-webmvc from 4.3.18.RELEASE to 5.2.20.RELEASE in /author-profiling-demo#15

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dependabot/maven/author-profiling-demo/org.springframework-spring-webmvc-5.2.20.RELEASETalnUPF/author_profiling:dependabot/maven/author-profiling-demo/org.springframework-spring-webmvc-5.2.20.RELEASECopy head branch name to clipboard