update CODEOWNERS

Author: iunanua

.github/CODEOWNERS

@@ -30,6 +30,7 @@ datadog-sidecar                      @Datadog/libdatadog-php @Datadog/libdatadog
 datadog-sidecar-ffi                  @Datadog/libdatadog-php @Datadog/libdatadog-apm
 datadog-sidecar-macros               @Datadog/libdatadog-php
 datadog-tracer-flare                 @Datadog/libdatadog-apm
+deny.toml                            @Datadog/libdatadog
 docker-bake.hcl                      @Datadog/apm-common-components-core
 docs                                 @Datadog/libdatadog
 examples                             @Datadog/libdatadog
@@ -56,6 +57,7 @@ README.md                            @Datadog/libdatadog
 repository.datadog.yml               @Datadog/apm-common-components-core
 ruby/                                @Datadog/ruby-guild
 rustfmt.toml                         @Datadog/libdatadog-core
+scripts/check_cargo_metadata.sh      @Datadog/libdatadog-core
 scripts/reformat_copyright.sh        @Datadog/libdatadog-core
 scripts/update_license_3rdparty.sh   @Datadog/libdatadog-core
 spawn_worker/                        @Datadog/libdatadog-php @Datadog/libdatadog-apm