Fix Github Page Title Version (pytorch#1616)

Summary:
Pull Request resolved: pytorch#1616

Update html title for torchrec page to accurately reflect the version

Reviewed By: henrylhtsang

Differential Revision: D52631662

fbshipit-source-id: 2bbe3bc64faa51c59042a6fa8f5362cf3fe06ae1

docs/source/conf.py

@@ -21,6 +21,7 @@
 import sys
 
 import pytorch_sphinx_theme
+import torchrec
 
 current_dir = os.path.dirname(__file__)
 target_dir = os.path.abspath(os.path.join(current_dir, "../.."))
@@ -34,7 +35,7 @@
 author = "Meta"
 
 # The full version, including alpha/beta/rc tags
-release = "0.0.1"
+release = torchrec.__version__
 
 
 # -- General configuration ---------------------------------------------------