Bump log4j-core from 2.6.2 to 2.16.0 in /leafserver-starter#4

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dependabot/maven/leafserver-starter/org.apache.logging.log4j-log4j-core-2.16.0Yaccc/leafserver:dependabot/maven/leafserver-starter/org.apache.logging.log4j-log4j-core-2.16.0Copy head branch name to clipboard