Bump spring-core from 5.2.2.RELEASE to 5.2.23.RELEASE in /plugin/site-plugin#75

dependabot[bot] wants to merge 1 commit intomasterfrankdevhub/frankdevhub.github.io:masterfrom

dependabot/maven/plugin/site-plugin/org.springframework-spring-core-5.2.23.RELEASEfrankdevhub/frankdevhub.github.io:dependabot/maven/plugin/site-plugin/org.springframework-spring-core-5.2.23.RELEASECopy head branch name to clipboard