Bump jackson-core from 2.13.4 to 2.15.2

This aligns the jackson-core version with the one that tika depends on.

Author: line-o

exist-core/pom.xml

@@ -59,7 +59,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-core</artifactId>
-            <version>2.13.4</version>
+            <version>2.15.2</version>
         </dependency>
 
         <!-- dependency>