Update setup.cfg (#72)

* Update setup.cfg

* Update README.md

Author: georgeSkoumas

Diff for: README.md

@@ -94,6 +94,7 @@ TileDB-ML can be installed:
       # on TileDB-Cloud try one of the follwoing.
       pip install -e .[tensorflow_cloud]
       pip install -e .[pytorch_cloud]
+      pip install -e .[sklearn_cloud]
 
 - with pip from git:
 

Diff for: setup.cfg

@@ -39,13 +39,13 @@ install_requires = tiledb >= 0.9.0, < 0.9.2
 setup_requires = setuptools_scm >= 6.0.0
 
 [options.extras_require]
-tensorflow = tensorflow>=2.5.0
+tensorflow = tensorflow>=2.5.0, < 2.6.0
 pytorch = torch>=1.8.1; torchvision>=0.9.1
 sklearn = scikit-learn>=0.23.0
-tensorflow_cloud = tensorflow>=2.5.0; tiledb-cloud>=0.7.11
+tensorflow_cloud = tensorflow>=2.5.0, < 2.6.0; tiledb-cloud>=0.7.11
 pytorch_cloud = torch>=1.8.1; torchvision>=0.9.1; tiledb-cloud>=0.7.11
 sklearn_cloud = scikit-learn>=0.23.0; tiledb-cloud>=0.7.11
-full = tensorflow>=2.5.0; torch>=1.8.1; torchvision>=0.9.1; scikit-learn>=0.23.0; tiledb-cloud>=0.7.11
+full = tensorflow>=2.5.0, < 2.6.0; torch>=1.8.1; torchvision>=0.9.1; scikit-learn>=0.23.0; tiledb-cloud>=0.7.11
 
 [tool:pytest]
 addopts = --cov=tiledb --cov-report=term-missing