build(deps-dev): 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>
(cherry picked from commit 380aebd)

pom.xml

@@ -55,7 +55,7 @@
         <spring.boot.version>2.5.3</spring.boot.version>
         <!-- Logging -->
         <slf4j.version>1.7.32</slf4j.version>
-        <log4j.version>2.14.1</log4j.version>
+        <log4j.version>2.15.0</log4j.version>
         <!-- Testing -->
         <junit.jupiter.version>5.7.2</junit.jupiter.version>
         <mockito.version>3.11.2</mockito.version>