Update tiledbsoma to 1.9.1

Author: prathapsridharan

api/python/cellxgene_census/pyproject.toml

@@ -31,8 +31,8 @@ dependencies= [
     # NOTE: the tiledbsoma version must be >= to the version used in the Census builder, to
     # ensure that the assets are readable (tiledbsoma supports backward compatible reading).
     # Make sure this version does not fall behind the builder's tiledbsoma version.
-    # TODO: When ready to release 1.12.0 update tiledbsoma version to 1.9.0 and delete this temporary comment 
-    "tiledbsoma~=1.8.0",
+    # TODO: When ready to release 1.12.0 update tiledbsoma version to 1.9.x and delete this temporary comment 
+    "tiledbsoma~=1.9.1",
     "anndata",
     "numpy>=1.21",
     "requests",