Merge pull request #251 from simonsobs/koopman/update-readthedocs

Update readthedocs build os to ubuntu 22.04

Author: BrianJKoopman

.readthedocs.yaml

@@ -7,7 +7,7 @@ version: 2
 
 # Set the version of Python and other tools you might need
 build:
-  os: ubuntu-20.04
+  os: ubuntu-22.04
   tools:
     python: "3.10"