fix to reduce vulnerabilities in jackson

[hypery2k]

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • pom.xml

Vulnerabilities that will be fixed

With an upgrade:

• pom.xml
  • com.fasterxml.jackson.core:jackson-databind@2.9.6 > com.fasterxml.jackson.core:jackson-databind@2.9.7
    • Deserialization of Untrusted Data
    • Deserialization of Untrusted Data
    • Deserialization of Untrusted Data
    • Deserialization of Untrusted Data

[hypery2k]

@ishubin Maybe it would a good idea to enable snyk on the main repo