Bump ch.qos.logback:logback-classic from 1.5.12 to 1.5.15 in /test/fixtures/hdfs-fixture#16898

reta merged 2 commits intomainopensearch-project/OpenSearch:mainfrom

dependabot/gradle/test/fixtures/hdfs-fixture/ch.qos.logback-logback-classic-1.5.15opensearch-project/OpenSearch:dependabot/gradle/test/fixtures/hdfs-fixture/ch.qos.logback-logback-classic-1.5.15Copy head branch name to clipboard