[CODEOWNER] update healthdataaiservices entry (Azure#32604)

It should not be limited to data-plane directory.

Author: jeremymeng

.github/CODEOWNERS

@@ -151,7 +151,7 @@
 
 # ServiceLabel: %Health Deidentification
 # PRLabel: %Health Deidentification
-/sdk/healthdataaiservices/azure-health-deidentification/ @GrahamMThomas @alexathomases @Azure/healthdatadeidentification
+/sdk/healthdataaiservices/ @GrahamMThomas @alexathomases @Azure/healthdatadeidentification
 
 # PRLabel: %Azure.Identity
 /sdk/identity/ @KarishmaGhiya @minhanh-phan @maorleger @schaabs @Azure/azure-sdk-write-identity