remove set -x from setvariables tasks

Version 2.2.28 (microsoft#861)

Update version to 2.2.27 (microsoft#843)

Fixed exception on context support in 2.2.25 (microsoft#837)

Update VERSION to 2.2.25 (microsoft#834)

Update VERSION to 2.2.24 (microsoft#820)

Release Version 2.2.23 (microsoft#796)

Co-authored-by: sharon <sharon.hart@microsoft.com>

Update VERSION to 2.2.22 (microsoft#778)

Update VERSION to 2.2.22 (microsoft#778)

Update VERSION to 2.2.21 (microsoft#734)

* Update VERSION

* Update VERSION-IMAGE-REDACTOR