patch_collection not patch_item.

Author: rhysrevans3

stac_fastapi/types/stac_fastapi/types/core.py

@@ -180,7 +180,7 @@ def patch_collection(
             if isinstance(patch, PartialCollection):
                 patch = patch.operations()
 
-            collection = backend.patch_item(collection_id, patch)
+            collection = backend.patch_collection(collection_id, patch)
 
             return collection
 
@@ -353,7 +353,7 @@ async def patch_collection(
             if isinstance(patch, PartialCollection):
                 patch = patch.operations()
 
-            collection = backend.patch_item(collection_id, patch)
+            collection = backend.patch_collection(collection_id, patch)
 
             return collection