Bump spring-core-version from 4.1.6.RELEASE to 5.2.7.RELEASE in /6.ExamplesToUnderstandMore#8

dependabot[bot] wants to merge 1 commit intomasterin28minutes/SpringIn28Minutes:masterfrom

dependabot/maven/6.ExamplesToUnderstandMore/spring-core-version-5.2.7.RELEASEin28minutes/SpringIn28Minutes:dependabot/maven/6.ExamplesToUnderstandMore/spring-core-version-5.2.7.RELEASECopy head branch name to clipboard