docs/sphinx: Update references to Python 3.x

docs/sphinx/scripting.rst

@@ -10,11 +10,9 @@ Scripting can be accessed in OBS Studio via the Tools menu -> Scripts
 option, which will bring up the scripting dialog.  Scripts can be added,
 removed, and reloaded in real time while the program is running.
 
-**NOTE:** On Windows, currently only Python 3.6 is supported.  To use
-Python on Windows, you must download and install Python 3.6.x "x86-64"
-for OBS 64bit (64bit is the default), or Python 3.6.x "x86" if using OBS
-32bit.  Then, in the scripting dialog, you must set the path to the
-Python 3.6.x install in the "Python Settings" tab.
+**NOTE:** To use Python on Windows or macOS, you must download and install a
+Python version that matches your OBS architecture.  Then, in the scripting
+dialog, you must set the path to the Python install in the "Python Settings" tab.
 
 All API bindings are provided through the **obspython** module in
 Python, and the **obslua** module in Lua.