ZOOKEEPER-4716: upgrade jackson to 2.15.2, suppress two false positive CVE errors (#2026)
Our jackson is quite old, I want to upgrade it before release 3.8.2.
Also we have a few false positive CVEs reported by OWASP:
- CVE-2023-35116: according to jackson community, this is not a security issue,
see https://github.com/FasterXML/jackson-databind/issues/3972#issuecomment-1596193098
- CVE-2022-45688: the following CVE is not even jackson related, but a
vulnerability in json-java which we don't use in ZooKeeper