Replace core-tech with cardano-node-maintaners in CODEOWNERS

Author: carbolymer

CODEOWNERS

@@ -1,6 +1,6 @@
 # catch-all
 
-* @intersectmbo/core-tech
+* @intersectmbo/cardano-node-maintainers
 
 # Specific reviewers for code pieces
 # NB - The last matching pattern takes precedence
@@ -18,7 +18,7 @@ Makefile                                                      @intersectmbo/perf
 nix/                                                          @intersectmbo/core-tech-devx @intersectmbo/core-tech-release-1
 *.nix                                                         @intersectmbo/core-tech-devx @intersectmbo/core-tech-release-1
 flake.lock                                                    @intersectmbo/core-tech-devx @intersectmbo/core-tech-release-1
-.github/workflows                                             @intersectmbo/core-tech-devx @intersectmbo/core-tech-release-1 @intersectmbo/core-tech
+.github/workflows                                             @intersectmbo/core-tech-devx @intersectmbo/core-tech-release-1 @intersectmbo/cardano-node-maintainers
 ci/                                                           @intersectmbo/core-tech-devx @intersectmbo/core-tech-release-1
 configuration/                                                @intersectmbo/core-tech-devx @intersectmbo/core-tech-release-1
 docker-compose.yml                                            @intersectmbo/core-tech-devx @intersectmbo/core-tech-release-1