Bump logback-core from 1.2.3 to 1.2.9 in /dropwizard-dependencies#9

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dependabot/maven/dropwizard-dependencies/ch.qos.logback-logback-core-1.2.9campspot/dropwizard:dependabot/maven/dropwizard-dependencies/ch.qos.logback-logback-core-1.2.9Copy head branch name to clipboard