tools-team => subxt-team in CODEOWNERS (#1081)

Author: jsdw

CODEOWNERS

@@ -16,10 +16,10 @@
 #   you can use them for mentioning unlike an email.
 # - The latest matching rule, if multiple, takes precedence.
 
-# main codeowner @paritytech/tools-team
-* @paritytech/tools-team
+# main codeowner @paritytech/subxt-team
+* @paritytech/subxt-team
 
 # CI
-/.github/ @paritytech/ci @paritytech/tools-team
-/scripts/ci/ @paritytech/ci @paritytech/tools-team
-/.gitlab-ci.yml @paritytech/ci @paritytech/tools-team
+/.github/ @paritytech/ci @paritytech/subxt-team
+/scripts/ci/ @paritytech/ci @paritytech/subxt-team
+/.gitlab-ci.yml @paritytech/ci @paritytech/subxt-team