Update log4j to 2.17.1
Update log4j to 2.17.1

To fix https://nvd.nist.gov/vuln/detail/CVE-2021-44832
- https://logging.apache.org/log4j/2.x/security.html

akrherz/Openfire,akrherz/Openfire,guusdk/Openfire,guusdk/Openfire,guusdk/Openfire,igniterealtime/Openfire,igniterealtime/Openfire,guusdk/Openfire,igniterealtime/Openfire,guusdk/Openfire,akrherz/Openfire,igniterealtime/Openfire,igniterealtime/Openfire,akrherz/Openfire,akrherz/Openfire