Opensearch.Release Notes 1.2.2

Increment version to 1.2.2 and backport log4j upgrade to 2.16. (#1728)

Daniel Doubrovkine (dB.) - Tue, 14 Dec 2021 19:04:20 -0500

• Increment version to 1.2.2. Signed-off-by: dblock <[email protected]>

• Upgrade to log4j 2.16.0 (#1721) (#1723) Signed-off-by: Andriy Redko <[email protected]>

• Moving DCO to workflows (#1458) Signed-off-by: CEHENKLE <[email protected]> Co-authored-by: Andriy Redko <[email protected]> Co-authored-by: CEHENKLE <[email protected]>