Bump log4j2-version from 2.21.0 to 2.21.1

Bumps `log4j2-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-slf4j-impl` from 2.21.0 to 2.21.1

---
updated-dependencies:
- dependency-name: org.apache.logging.log4j:log4j-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.apache.logging.log4j:log4j-slf4j-impl
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

openapi-client-maven-template-demo/pom.xml

@@ -25,7 +25,7 @@
 
 		<mainClass>software.xdev.Application</mainClass>
 
-		<log4j2-version>2.21.0</log4j2-version>
+		<log4j2-version>2.21.1</log4j2-version>
 	</properties>
 
 	<dependencies>