Generate CODEOWNERS from CODEOWNERS.in

Use Shipyard's `make CODEOWNERS` target to build CODEOWNERS file from
easier-to-format CODEOWNERS.in.

Signed-off-by: Daniel Farrell <dfarrell@redhat.com>

CODEOWNERS

@@ -1,6 +1,7 @@
-*			@mangelajo @tpantelis @Oats87 @skitt
-/.github/workflows/ 	@mangelajo @tpantelis @Oats87 @skitt @mkolesnik
-/scripts/ 		@mangelajo @tpantelis @Oats87 @skitt @mkolesnik
-Makefile* 		@mangelajo @tpantelis @Oats87 @skitt @mkolesnik
-Dockerfile.dapper 	@mangelajo @tpantelis @Oats87 @skitt @mkolesnik
-build/* 		@mangelajo @tpantelis @Oats87 @skitt @mkolesnik
+# Auto-generated, do not edit; see CODEOWNERS.in
+* @mangelajo @Oats87 @skitt @tpantelis
+/.github/workflows/ @mangelajo @mkolesnik @Oats87 @skitt @tpantelis
+/scripts/ @mangelajo @mkolesnik @Oats87 @skitt @tpantelis
+build/* @mangelajo @mkolesnik @Oats87 @skitt @tpantelis
+Dockerfile.dapper @mangelajo @mkolesnik @Oats87 @skitt @tpantelis
+Makefile* @mangelajo @mkolesnik @Oats87 @skitt @tpantelis

CODEOWNERS.in

@@ -0,0 +1,5 @@
+@mangelajo *
+@Oats87 *
+@skitt *
+@tpantelis *
+@mkolesnik /.github/workflows/ /scripts/ Makefile* Dockerfile.dapper build/*