Bump jackson-core from 2.12.1 to 2.12.3

Bumps [jackson-core](https://github.com/FasterXML/jackson-core) from 2.12.1 to 2.12.3.
- [Release notes](https://github.com/FasterXML/jackson-core/releases)
- [Commits](FasterXML/jackson-core@jackson-core-2.12.1...jackson-core-2.12.3)

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

pom.xml

@@ -231,7 +231,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-core</artifactId>
-            <version>2.12.1</version>
+            <version>2.12.3</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->