[BUG] High severity github advisory for jackson-core 2.18.2

[consultantleon]

openapi-generator-cli 7.20 jar contains com.fasterxml.jackson.core 2.18.2 which appears to be vulnerable to 'high severity' github advisory GHSA-72hv-8253-57qq.

Version 2.18.6 is listed as 'patched'.

[wing328]

already fixed in the latest master. will cut a release next week