[chore] Update codeowners (#14650)

* [chore] Update codeowners

- Update integration-tests go.mod/sum so it needs the same codeowners as
  other mod/sum files.
- Update keystone specific repositories so they are codeowned by
  keystone

* Update .github/CODEOWNERS

Co-authored-by: chainchad <[email protected]>

---------

Co-authored-by: chainchad <[email protected]>

.github/CODEOWNERS

@@ -13,6 +13,7 @@
 /core/services/directrequest @smartcontractkit/keepers
 /core/services/feeds @smartcontractkit/op-core @eutopian @yevshev
 /core/services/synchronization/telem @smartcontractkit/realtime
+/core/capabilities/ @smartcontractkit/keystone
 /core/capabilities/ccip @smartcontractkit/ccip-offchain
 
 # To be deprecated in Chainlink V3
@@ -51,6 +52,12 @@ core/services/relay/evm/functions @smartcontractkit/functions
 core/scripts/functions @smartcontractkit/functions
 core/scripts/gateway @smartcontractkit/functions
 
+# Keystone
+/core/services/registrysyncer @smartcontractkit/keystone
+/core/services/workflows @smartcontractkit/keystone
+/core/services/standardcapabilities @smartcontractkit/keystone
+/core/scripts/keystone @smartcontractkit/keystone
+
 # Contracts
 /contracts/ @RensR @matYang @RayXpub @elatoskinas
 
@@ -119,8 +126,8 @@ contracts/package.json @smartcontractkit/prodsec-public
 contracts/pnpm.lock @smartcontractkit/prodsec-public
 go.mod @smartcontractkit/prodsec-public @smartcontractkit/releng @smartcontractkit/foundations
 go.sum @smartcontractkit/prodsec-public @smartcontractkit/releng @smartcontractkit/foundations
-integration-tests/go.mod @smartcontractkit/prodsec-public
-integration-tests/go.sum @smartcontractkit/prodsec-public
+integration-tests/go.mod @smartcontractkit/prodsec-public @smartcontractkit/test-tooling-team @smartcontractkit/foundations
+integration-tests/go.sum @smartcontractkit/prodsec-public @smartcontractkit/test-tooling-team @smartcontractkit/foundations
 flake.nix @smartcontractkit/prodsec-public
 flake.lock @smartcontractkit/prodsec-public