Bump spring-core from 4.3.13.RELEASE to 5.3.18 in /sandbox#8

dependabot[bot] wants to merge 1 commit intomasterciphermagic/java-learn:masterfrom

dependabot/maven/sandbox/org.springframework-spring-core-5.3.18ciphermagic/java-learn:dependabot/maven/sandbox/org.springframework-spring-core-5.3.18Copy head branch name to clipboard