[VOL-5250] - com.fasterxml.jackson.core version mismatch

app/pom.xml
-----------
  o A version mismatch was reported for package jackson by kafka.
  o Unclear if this is due to an app,api delta or delta or a delta
    existing between ONOS components.
  o First attempt: update all package versions within sadis to 2.15.2.
  o If failures persist revert all jackson references to 2.10.2.

Change-Id: Iec8484de515fe2f0916c524c333f469b53340e10
diff --git a/app/pom.xml b/app/pom.xml
index e173765..b5cabff 100755
--- a/app/pom.xml
+++ b/app/pom.xml
@@ -90,7 +90,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-core</artifactId>
-            <version>2.10.2</version>
+            <version>2.15.2</version>
             <scope>provided</scope>
         </dependency>