Bump log4j-core from 2.14.1 to 2.15.0

Bumps log4j-core from 2.14.1 to 2.15.0.

---
updated-dependencies:
- dependency-name: org.apache.logging.log4j:log4j-core
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -67,7 +67,7 @@
         <coveralls.dryRun>true</coveralls.dryRun>
         <main.basedir>${basedir}</main.basedir>
 
-        <log4j2.version>2.14.1</log4j2.version>
+        <log4j2.version>2.15.0</log4j2.version>
     </properties>
 
     <scm>