[maven]: Bump org.apache.logging.log4j:log4j-slf4j2-impl (#377)

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

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

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examples/pom.xml

@@ -47,7 +47,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j2-impl</artifactId>
-            <version>2.25.4</version>
+            <version>2.26.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>