[FTR][Ownership] Console, Content Mgmt, Entity Mgr & ES (#196692)

## Summary

Assign ownership to some files that hopefully result in less than 5
reviewers

Contributes to: #194817

### Assignment Reasons

Assigned console due to
https://github.com/elastic/kibana/blob/0ead257ff4912218775a70484ac5754b4b3baa31/src/plugins/console/kibana.jsonc#L4

Assigned content_management due to
https://github.com/elastic/kibana/blob/3d254c223f101a6ee326b57d45b9997a87eb12da/src/plugins/content_management/kibana.jsonc#L4

Assigned entity_manager due to
https://github.com/elastic/kibana/blob/3d254c223f101a6ee326b57d45b9997a87eb12da/x-pack/plugins/entity_manager/kibana.jsonc#L4
 - Also combined some pre-existed entries under this team

Assigned es due to the fact that the tests are only about priveleges.

---------

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

.github/CODEOWNERS

@@ -1020,6 +1020,13 @@ packages/kbn-zod-helpers @elastic/security-detection-rule-management
 
 x-pack/test_serverless/api_integration/test_suites/common/platform_security @elastic/kibana-security
 
+# Observability Entities Team (@elastic/obs-entities)
+/x-pack/plugins/observability_solution/entities_data_access @elastic/obs-entities
+/x-pack/packages/kbn-entities-schema @elastic/obs-entities
+/x-pack/test/api_integration/apis/entity_manager/fixture_plugin @elastic/obs-entities
+/x-pack/plugins/entity_manager @elastic/obs-entities
+/x-pack/test/api_integration/apis/entity_manager @elastic/obs-entities
+
 # Data Discovery
 /x-pack/test_serverless/functional/es_archives/pre_calculated_histogram @elastic/kibana-data-discovery
 /x-pack/test_serverless/functional/es_archives/kibana_sample_data_flights_index_pattern @elastic/kibana-data-discovery
@@ -1391,7 +1398,9 @@ x-pack/test/**/deployment_agnostic/ @elastic/appex-qa #temporarily to monitor te
 /x-pack/plugins/inference @elastic/appex-ai-infra @elastic/obs-ai-assistant @elastic/security-generative-ai
 
 # AppEx Platform Services Security
-x-pack/test_serverless/api_integration/test_suites/common/security_response_headers.ts  @elastic/kibana-security
+/x-pack/test_serverless/api_integration/test_suites/common/security_response_headers.ts  @elastic/kibana-security
+/x-pack/test/api_integration/apis/es  @elastic/kibana-security
+
 
 # Kibana Telemetry
 /.telemetryrc.json @elastic/kibana-core
@@ -1499,6 +1508,7 @@ x-pack/test/api_integration/apis/management/index_management/inference_endpoints
 /x-pack/test/functional_search/ @elastic/search-kibana
 
 # Management Experience - Deployment Management
+/x-pack/test/api_integration/apis/console @elastic/kibana-management
 /x-pack/test_serverless/**/test_suites/common/index_management/ @elastic/kibana-management
 /x-pack/test_serverless/**/test_suites/common/management/index_management/ @elastic/kibana-management
 /x-pack/test_serverless/**/test_suites/common/painless_lab/ @elastic/kibana-management
@@ -1898,6 +1908,7 @@ x-pack/test/profiling_api_integration @elastic/obs-ux-infra_services-team
 x-pack/plugins/observability_solution/observability_shared/public/components/profiling @elastic/obs-ux-infra_services-team
 
 # Shared UX
+/x-pack/test/api_integration/apis/content_management @elastic/appex-sharedux
 /x-pack/test_serverless/functional/test_suites/common/spaces/spaces_selection.ts @elastic/appex-sharedux
 /x-pack/test_serverless/functional/test_suites/common/spaces/index.ts @elastic/appex-sharedux
 packages/react @elastic/appex-sharedux