consistnt typehints for ws metadata and tags (#36380) (#36397)

Author: MilesHolland

sdk/ml/azure-ai-ml/azure/ai/ml/entities/_workspace/connections/workspace_connection.py

@@ -85,7 +85,7 @@ class WorkspaceConnection(Resource):
     :param target: The URL or ARM resource ID of the external resource.
     :type target: str
     :param metadata: Metadata dictionary.
-    :type metadata: Optional[Dict[Any, Any]]
+    :type metadata: Optional[Dict[str, Any]]
     :param type: The category of external resource for this connection.
     :type type: The type of connection, possible values are: "git", "python_feed", "container_registry",
         "feature_store", "s3", "snowflake", "azure_sql_db", "azure_synapse_analytics", "azure_my_sql_db",
@@ -315,41 +315,41 @@ def credentials(
         return self._credentials
 
     @property
-    def metadata(self) -> Optional[Dict[Any, Any]]:
+    def metadata(self) -> Optional[Dict[str, Any]]:
         """The connection's metadata dictionary.
         :return: This connection's metadata.
-        :rtype: Optional[Dict[Any, Any]]
+        :rtype: Optional[Dict[str, Any]]
         """
         return self._metadata if self._metadata is not None else {}
 
     @metadata.setter
-    def metadata(self, value: Optional[Dict[Any, Any]]) -> None:
+    def metadata(self, value: Optional[Dict[str, Any]]) -> None:
         """Set the metadata for the connection. Be warned that setting this will override
         ALL metadata values, including those implicitly set by certain connection types to manage their
         extra data. Usually, you should probably access the metadata dictionary, then add or remove values
         individually as needed.
         :param value: The new metadata for connection.
             This completely overwrites the existing metadata dictionary.
-        :type value: Optional[Dict[Any, Any]]
+        :type value: Optional[Dict[str, Any]]
         """
         if not value:
             return
         self._metadata = value
 
     @property
-    def tags(self) -> Optional[Dict[Any, Any]]:
+    def tags(self) -> Optional[Dict[str, Any]]:
         """Deprecated. Use metadata instead.
         :return: This connection's metadata.
-        :rtype: Optional[Dict[Any, Any]]
+        :rtype: Optional[Dict[str, Any]]
         """
         return self._metadata if self._metadata is not None else {}
 
     @tags.setter
-    def tags(self, value: Optional[Dict[Any, Any]]) -> None:
+    def tags(self, value: Optional[Dict[str, Any]]) -> None:
         """Deprecated use metadata instead
         :param value: The new metadata for connection.
             This completely overwrites the existing metadata dictionary.
-        :type value: Optional[Dict[Any, Any]]
+        :type value: Optional[Dict[str, Any]]
         """
         if not value:
             return