Bump logback-classic from 0.9.30 to 1.2.0 in /siren-parent#15

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dependabot/maven/siren-parent/ch.qos.logback-logback-classic-1.2.0sirensolutions/siren:dependabot/maven/siren-parent/ch.qos.logback-logback-classic-1.2.0Copy head branch name to clipboard