override purview deps in shared reqs (Azure#18270)

Author: iscai-msft

shared_requirements.txt

@@ -90,6 +90,7 @@ azure-mixedreality-nspkg
 azure-nspkg
 azure-keyvault-nspkg
 azure-media-nspkg
+azure-purview-nspkg
 azure-schemaregistry==1.0.0b1
 azure-search-nspkg
 azure-security-nspkg
@@ -250,3 +251,5 @@ opentelemetry-sdk<2.0.0,>=1.0.0
 #override azure-mgmt-resource msrest>=0.6.21
 #override azure-template azure-core<2.0.0,>=1.10.0
 #override azure-mgmt-managedservices msrest>=0.6.21
+#override azure-purview-scanning azure-core<2.0.0,>=1.8.2 msrest>=0.6.21
+#override azure-purview-catalog azure-core<2.0.0,>=1.8.2 msrest>=0.6.21