Bump log4j-bom from 2.19.0 to 2.20.0

Bumps log4j-bom from 2.19.0 to 2.20.0.

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

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Author: dependabot[bot]

pom.xml

@@ -478,7 +478,7 @@
             <dependency>
                 <groupId>org.apache.logging.log4j</groupId>
                 <artifactId>log4j-bom</artifactId>
-                <version>2.19.0</version>
+                <version>2.20.0</version>
                 <scope>import</scope>
                 <type>pom</type>
             </dependency>