2.5.11

This release includes the following commits:

• Bump log4j to 2.17.1 for CVE-2021-44228 & CVE-2021-45046 & CVE-2021-45105 & CVE-2021-44832 (#356)
• Update XinfraMonitorConstants.java (#351)
• Delete config.yml (#350)
• Temporarily Remove Travis for Security Vulnerabilites (#349)
• Update statsd sample for Xinfra Monitor (#346)
• Fix replicasAssignment Hashmap (#340)