This is a patch release v2.1.6 with no breaking changes.

Changes since v2.1.5:

• Fixing regex for Istio logs, splitting istio logs (#1781)
• docs: improve documentation for installation on OpenShift
• chore: bump telegraf operator subchart to 1.2.0 (#1723)
• feat(helm): add sumologic.serviceAccount.annotations so custom annotation cen be added #1716

Full Changelog: v2.1.5...v2.1.6