fix: upgrade org.apache.logging.log4j:log4j-api from 2.23.0 to 2.23.1

Snyk has created this PR to upgrade org.apache.logging.log4j:log4j-api from 2.23.0 to 2.23.1.

See this package in Maven Repository:
https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-api/

See this project in Snyk:
https://app.snyk.io/org/pantheon.tech/project/4eb7f9b9-3b78-4a2f-8498-a7ace4b87108?utm_source=github&utm_medium=referral&page=upgrade-pr

lighty-core/lighty-parent/pom.xml

@@ -31,7 +31,7 @@
         <maven.compiler.release>17</maven.compiler.release>
         <!-- Overrides Spring Boot slf4j and log4j2 dependency version -->
         <slf4j.version>2.0.12</slf4j.version>
-        <log4j2.version>2.23.0</log4j2.version>
+        <log4j2.version>2.23.1</log4j2.version>
     </properties>
 
     <dependencies>