Bump spring-webmvc from 4.3.21.RELEASE to 5.2.20.RELEASE in /dd4t-bom-web8#222

dependabot[bot] wants to merge 1 commit intodevelopdd4t/dd4t-2-java:developfrom

dependabot/maven/dd4t-bom-web8/org.springframework-spring-webmvc-5.2.20.RELEASEdd4t/dd4t-2-java:dependabot/maven/dd4t-bom-web8/org.springframework-spring-webmvc-5.2.20.RELEASECopy head branch name to clipboard