Bump log4j-api from 2.11.2 to 2.16.0 in /core

Bumps log4j-api from 2.11.2 to 2.16.0.

---
updated-dependencies:
- dependency-name: org.apache.logging.log4j:log4j-api
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

core/pom.xml

@@ -38,7 +38,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-api</artifactId>
-            <version>2.11.2</version>
+            <version>2.16.0</version>
             <optional>true</optional>
         </dependency>