chore: add code owners

Signed-off-by: Kavindu Dodanduwa <[email protected]>

Author: Kavindu-Dodan

.github/CODEOWNERS

@@ -349,6 +349,7 @@
 /packages/oracle_weblogic @elastic/obs-infraobs-integrations
 /packages/osquery @elastic/sec-windows-platform
 /packages/osquery_manager @elastic/security-defend-workflows
+/packages/otel_shim @elastic/obs-ds-hosted-services
 /packages/pad @elastic/ml-ui @elastic/sec-applied-ml
 /packages/panw @elastic/integration-experience
 /packages/panw_cortex_xdr @elastic/security-service-integrations