update codeowners to org and team.
# Global owners
-* @skaffold-team
+* @GoogleContainerTools/skaffold-team
# Buildpacks owners
-**/**buildpacks** @skaffold-team
+**/**buildpacks** @GoogleContainerTools/skaffold-team
# JIB owners
-**/**jib** @skaffold-team @loosebazooka @TadCordle @chanseokoh
+**/**jib** @GoogleContainerTools/skaffold-team @loosebazooka @TadCordle @chanseokoh
# Debug owners
-pkg/skaffold/debug/** @skaffold-team @loosebazooka @quoctruong
-docs/content/en/docs/how-tos/debug/** @skaffold-team @loosebazooka @quoctruong
-integration/test-data/debug/** @skaffold-team @loosebazooka @quoctruong
-integration/debug_test.go @skaffold-team @loosebazooka @quoctruong
+pkg/skaffold/debug/** @GoogleContainerTools/skaffold-team @loosebazooka @quoctruong
+docs/content/en/docs/how-tos/debug/** @GoogleContainerTools/skaffold-team @loosebazooka @quoctruong
+integration/test-data/debug/** @GoogleContainerTools/skaffold-team @loosebazooka @quoctruong
+integration/debug_test.go @GoogleContainerTools/skaffold-team @loosebazooka @quoctruong
