Update requirements.txt

requirements.txt

@@ -1,12 +1,12 @@
 tensorflow>=2.6.2 # The latest should include tensorflow-gpu
-tensorflow-datasets==4.4.0
-tensorflow-addons==0.15.0
-absl-py==0.12.0
-gin-config==0.5.0
-parameterized==0.8.1
-mediapy==1.0.3
-scikit-image==0.19.1
-apache-beam==2.34.0
-google-cloud-bigquery-storage==1.1.0 # Suppresses a harmless error from beam
-natsort==8.1.0
+tensorflow-datasets>=4.4.0
+tensorflow-addons>=0.15.0
+absl-py>=0.12.0
+gin-config>=0.5.0
+parameterized>=0.8.1
+mediapy>=1.0.3
+scikit-image>=0.19.1
+apache-beam>=2.34.0
+google-cloud-bigquery-storage>=1.1.0 # Suppresses a harmless error from beam
+natsort>=8.1.0
 image-tools