Bump log4j-core from 2.12.1 to 2.15.0 in /core#261

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dependabot/maven/core/org.apache.logging.log4j-log4j-core-2.15.0marvin-we/steem-java-api-wrapper:dependabot/maven/core/org.apache.logging.log4j-log4j-core-2.15.0Copy head branch name to clipboard