Bump version.log4j from 2.12.4 to 2.23.1 (#3557)

* Bump version.log4j from 2.12.4 to 2.23.1

Bumps `version.log4j` from 2.12.4 to 2.23.1.

Updates `org.apache.logging.log4j:log4j-core` from 2.12.4 to 2.23.1

Updates `org.apache.logging.log4j:log4j-slf4j-impl` from 2.12.4 to 2.23.1

---
updated-dependencies:
- dependency-name: org.apache.logging.log4j:log4j-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.logging.log4j:log4j-slf4j-impl
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

* restore previous log4j version

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Sylvain Juge <763082+SylvainJuge@users.noreply.github.com>

apm-agent-plugins/apm-ecs-logging-plugin/pom.xml

@@ -41,7 +41,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.23.0</version>
+            <version>2.23.1</version>
             <scope>provided</scope>
             <optional>true</optional>
         </dependency>

apm-agent-plugins/apm-logging-plugin/apm-log4j2-plugin/pom.xml

@@ -24,7 +24,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.23.0</version>
+            <version>2.23.1</version>
             <scope>provided</scope>
         </dependency>
         <dependency>