Update dependencies

[TheSnoozer]

Context

Includes:

• update for com.fasterxml.jackson.core: 2.9.9 -> 2.9.9.3
  • https://nvd.nist.gov/vuln/detail/CVE-2019-14379: SubTypeValidator.java in FasterXML jackson-databind before 2.9.9.2 mishandles default typing when ehcache is used, leading to remote code execution.
  • https://nvd.nist.gov/vuln/detail/CVE-2019-14439: A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.x before 2.9.9.2. This occurs when Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint and the service has the logback jar in the classpath.

Contributor Checklist

• Added relevant integration or unit tests to verify the changes
• Update the Readme or any other documentation (including relevant Javadoc)
• Ensured that tests pass locally: mvn clean package
• Ensured that the code meets the current checkstyle coding style definition: mvn clean verify -Pcheckstyle -Dmaven.test.skip=true -B