Bump log4j-api from 2.13.3 to 2.15.0 in /parent-conf (#245)

Bumps log4j-api from 2.13.3 to 2.15.0.

---
updated-dependencies:
- dependency-name: org.apache.logging.log4j:log4j-api
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

parent-conf/pom.xml

@@ -57,7 +57,7 @@
         <scalastyle.maven.version>1.0.0</scalastyle.maven.version>
 
         <!--Log4J2-->
-        <log4j.version>2.13.3</log4j.version>
+        <log4j.version>2.15.0</log4j.version>
         <slf4j.log4j2.version>1.7.26</slf4j.log4j2.version>
 
         <!--Kafka-->