Bump org.apache.logging.log4j:log4j-core from 2.25.1 to 2.25.4

Bumps org.apache.logging.log4j:log4j-core from 2.25.1 to 2.25.4.

---
updated-dependencies:
- dependency-name: org.apache.logging.log4j:log4j-core
  dependency-version: 2.25.4
  dependency-type: direct:production
...

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

Closes #72

Change-Id: I0f076d47ae38ab789dc3bdf72cda2914b4d61fcd
diff --git a/pom.xml b/pom.xml
index 54f3086..505ccf6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -35,7 +35,7 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<jersey.version>1.19.4</jersey.version>
-    	<log4j.version>2.25.1</log4j.version>
+    	<log4j.version>2.25.4</log4j.version>
 	</properties>
 
 	<dependencies>