Bump jackson-databind in /dss-appconn/dss-appconn-core

Bumps [jackson-databind](https://github.com/FasterXML/jackson) from 2.11.0 to 2.12.6.1.
- [Release notes](https://github.com/FasterXML/jackson/releases)
- [Commits](https://github.com/FasterXML/jackson/commits)

---
updated-dependencies:
- dependency-name: com.fasterxml.jackson.core:jackson-databind
  dependency-type: direct:production
...

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

Author: dependabot[bot]

dss-appconn/dss-appconn-core/pom.xml

@@ -28,7 +28,7 @@
     <artifactId>dss-appconn-core</artifactId>
 
     <properties>
-        <fasterxml.jackson.version>2.11.0</fasterxml.jackson.version>
+        <fasterxml.jackson.version>2.12.6.1</fasterxml.jackson.version>
         <commons-collections.version>3.2.2</commons-collections.version>
     </properties>