types(common[Pane]): Add PaneOptionDict

Author: tony

src/libtmux/common.py

@@ -32,6 +32,7 @@
 SessionDict = t.Dict[str, t.Any]
 WindowDict = t.Dict[str, t.Any]
 WindowOptionDict = t.Dict[str, t.Any]
+PaneOptionDict = t.Dict[str, t.Any]
 PaneDict = t.Dict[str, t.Any]