Add configuration file to codeowners file.

Author: hoolioh

.github/CODEOWNERS

@@ -5,6 +5,7 @@
 .clang-format                        @Datadog/libdatadog
 .codecov.yml                         @Datadog/apm-common-components-core
 .config/nextest.toml                 @Datadog/apm-common-components-core
+.config/commitlint.config.js         @Datadog/apm-common-components-core
 .devcontainer                        @Datadog/apm-common-components-core
 .dockerignore                        @Datadog/libdatadog-core
 .github/                             @Datadog/apm-common-components-core