Add senegraph(s)->scenegraph(s), scene graph(s),

diff --git a/codespell_lib/data/dictionary.txt b/codespell_lib/data/dictionary.txt
index 023f8e3..92bf01d 100644
--- a/codespell_lib/data/dictionary.txt
+++ b/codespell_lib/data/dictionary.txt
@@ -26332,6 +26332,8 @@
 sendign->sending
 sendinging->sending
 sendinng->sending
+senegraph->scenegraph, scene graph,
+senegraphs->scenegraphs, scene graphs,
 senfile->sendfile
 senintels->sentinels
 senitnel->sentinel