Add more people to code review notifications (#1507)

Signed-off-by: Dave Thaler <dthaler@microsoft.com>

Signed-off-by: Dave Thaler <dthaler@microsoft.com>

.github/CODEOWNERS

@@ -7,4 +7,4 @@
 # These owners will be the default owners for everything in the repo.
 # Unless a later match takes precedence, they will be requested for
 # review when someone opens a pull request.
-* @dthaler @poornagmsft @Alan-Jowett @saxena-anurag @shankarseal
+* @dthaler @poornagmsft @Alan-Jowett @saxena-anurag @shankarseal @dv-msft @delaramamiri @gtrevi