Bump jackson-core from 2.11.3 to 2.12.0

Bumps [jackson-core](https://github.com/FasterXML/jackson-core) from 2.11.3 to 2.12.0.
- [Release notes](https://github.com/FasterXML/jackson-core/releases)
- [Commits](FasterXML/jackson-core@jackson-core-2.11.3...jackson-core-2.12.0)

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

Author: dependabot-preview[bot]

exist-core/pom.xml

@@ -59,7 +59,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-core</artifactId>
-            <version>2.11.3</version>
+            <version>2.12.0</version>
         </dependency>
 
         <!-- dependency>