fix: upgrade ch.qos.logback:logback-classic from 1.2.13 to 1.5.6

Snyk has created this PR to upgrade ch.qos.logback:logback-classic from 1.2.13 to 1.5.6.

See this package in Maven Repository:
https://mvnrepository.com/artifact/ch.qos.logback/logback-classic/

See this project in Snyk:
https://app.snyk.io/org/wajda/project/6e7c5c6d-498c-4bbb-936d-609ddaceff7c?utm_source=github&utm_medium=referral&page=upgrade-pr

build/parent-pom/pom.xml

@@ -45,7 +45,7 @@
         <scala.version>2.12.15</scala.version>
         <scala.compat.version>2.12</scala.compat.version>
         <maven.compiler.source>${java.version}</maven.compiler.source>
-        <logback.version>1.2.13</logback.version>
+        <logback.version>1.5.6</logback.version>
         <slf4j.version>1.7.32</slf4j.version>
         <json4s.version>3.6.12</json4s.version>
         <spring.version>5.2.9.RELEASE</spring.version>