Fix doc versions (#1238)

docs/conf.py

@@ -10,13 +10,13 @@
 copyright = '2022, Chan Zuckerberg Initiative'
 author = 'Chan Zuckerberg Initiative'
 
+from packaging.version import Version
 import git
+
 repo = git.Repo(search_parent_directories=True)
-tags = [t for t in repo.tags if t.tag is not None]
-tags = sorted(tags, key=lambda t: t.tag.tagged_date)
-latest_tag = tags[-1]
+all_versions = sorted([Version(t.name) for t in repo.tags])
 
-version = str(latest_tag)
+version = str(all_versions[-1])
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
@@ -28,7 +28,7 @@
     'sphinx.ext.napoleon', 
     'sphinx.ext.autosummary', 
     'myst_parser'
-    ]
+]
 
 autosummary_generate = True