Bump jackson-jaxrs-json-provider from 2.11.3 to 2.12.1 in /core

Bumps jackson-jaxrs-json-provider from 2.11.3 to 2.12.1.

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

Closes #155

Change-Id: I47bb1ad8374b86c67742ddb3b72ebb4956613d04
diff --git a/core/pom.xml b/core/pom.xml
index eb5312b..dbac12e 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -175,7 +175,7 @@
 		<dependency>
 			<groupId>com.fasterxml.jackson.jaxrs</groupId>
 			<artifactId>jackson-jaxrs-json-provider</artifactId>
-			<version>2.11.3</version>
+			<version>2.12.1</version>
 		</dependency>
 
 		<!-- Flyway -->