Bump log4j-version from 2.21.0 to 2.21.1

Bumps `log4j-version` from 2.21.0 to 2.21.1.

Updates `org.apache.logging.log4j:log4j-core` from 2.21.0 to 2.21.1

Updates `org.apache.logging.log4j:log4j-slf4j2-impl` from 2.21.0 to 2.21.1

---
updated-dependencies:
- dependency-name: org.apache.logging.log4j:log4j-core
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.apache.logging.log4j:log4j-slf4j2-impl
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

chartjs-java-model/pom.xml

@@ -49,7 +49,7 @@
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
 		<slf4j-version>2.0.9</slf4j-version>
-		<log4j-version>2.21.0</log4j-version>
+		<log4j-version>2.21.1</log4j-version>
 		<testcontainers-version>1.19.1</testcontainers-version>
 
 		<!-- by default run no tests as Docker is required -->