Bump log4j.version from 2.20.0 to 2.25.1

Bumps `log4j.version` from 2.20.0 to 2.25.1.

Updates `org.apache.logging.log4j:log4j-api` from 2.20.0 to 2.25.1

Updates `org.apache.logging.log4j:log4j-slf4j2-impl` from 2.20.0 to 2.25.1

Updates `org.apache.logging.log4j:log4j-core` from 2.20.0 to 2.25.1

---
updated-dependencies:
- dependency-name: org.apache.logging.log4j:log4j-api
  dependency-version: 2.25.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.logging.log4j:log4j-slf4j2-impl
  dependency-version: 2.25.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.logging.log4j:log4j-core
  dependency-version: 2.25.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -27,7 +27,7 @@
         <elasticsearch.version>8.11.0</elasticsearch.version>
         <beyonder.version>8.6-SNAPSHOT</beyonder.version>
         <slf4j.version>2.0.9</slf4j.version>
-        <log4j.version>2.20.0</log4j.version>
+        <log4j.version>2.25.1</log4j.version>
         <commons.io.version>2.15.0</commons.io.version>
         <jackson.version>2.15.2</jackson.version>
         <junit.version>5.10.1</junit.version>