Bump dependency.log4j2.version from 2.20.0 to 2.21.1 (#199)

Bumps `dependency.log4j2.version` from 2.20.0 to 2.21.1.

Updates `org.apache.logging.log4j:log4j-api` from 2.20.0 to 2.21.1

Updates `org.apache.logging.log4j:log4j-core` from 2.20.0 to 2.21.1

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -129,7 +129,7 @@
 		<dependency.infinispan.version>13.0.10.Final</dependency.infinispan.version>
 		<dependency.jetbrains-annotation.version>23.0.0</dependency.jetbrains-annotation.version>
 		<dependency.jmock-junit5.version>2.12.0</dependency.jmock-junit5.version>
-		<dependency.log4j2.version>2.20.0</dependency.log4j2.version>
+		<dependency.log4j2.version>2.21.1</dependency.log4j2.version>
 		<dependency.saxon.version>12.3</dependency.saxon.version>
 		<dependency.spotbugs-annotations.version>4.7.3</dependency.spotbugs-annotations.version>
 		<dependency.xmlresolver.version>4.6.0</dependency.xmlresolver.version>