Fix CODEOWNERS: Migrate to squads naming

Author: Jimmy Spagnola

.gitlab/CODEOWNERS

@@ -1,12 +1,2 @@
-# default = everyone is codeowner
-* @crusoeenergy/island
-
-.gitlab/CODEOWNERS @lanwall12 @nitper @bsherrycrusoe @ksosnowski3 @dpattishall
-
-# more restrictive ownership for adding dependencies and changing ci/build
-.gitlab-ci.yml     @lanwall12 @nitper @crusoeenergy/island/managed
-.golangci-lint.yml @lanwall12 @nitper @crusoeenergy/island/managed
-go.mod             @lanwall12 @nitper @crusoeenergy/island/managed
-Makefile           @lanwall12 @nitper @crusoeenergy/island/managed
-Dockerfile         @lanwall12 @nitper @crusoeenergy/island/managed
-Dockerfile.*       @lanwall12 @nitper @crusoeenergy/island/managed
+.gitlab/CODEOWNERS @crusoeenergy/squads/managed-orchestration
+/* @crusoeenergy/squads/managed-orchestration