Use sphinxext-opengraph v0.13.0 (GH-140425)

Author: AA-Turner

Doc/requirements.txt

@@ -11,7 +11,7 @@ sphinx~=8.2.0
 
 blurb
 
-sphinxext-opengraph~=0.12.0
+sphinxext-opengraph~=0.13.0
 sphinx-notfound-page~=1.0.0
 
 # The theme used by the documentation is stored separately, so we need