Bump version.log4j from 2.25.4 to 2.26.0 (#227)

Bumps `version.log4j` from 2.25.4 to 2.26.0.

Updates `org.apache.logging.log4j:log4j-to-slf4j` from 2.25.4 to 2.26.0

Updates `org.apache.logging.log4j:log4j-slf4j2-impl` from 2.25.4 to 2.26.0

---
updated-dependencies:
- dependency-name: org.apache.logging.log4j:log4j-to-slf4j
  dependency-version: 2.26.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.logging.log4j:log4j-slf4j2-impl
  dependency-version: 2.26.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

pom.xml

@@ -42,7 +42,7 @@
 
         <!--    dependency properties    -->
         <version.logback>1.3.15</version.logback>
-        <version.log4j>2.25.4</version.log4j>
+        <version.log4j>2.26.0</version.log4j>
 
         <!--    test dependency properties    -->
         <version.junit>5.14.4</version.junit>