How to fix the WordPress update Out of Memory error

I recently attempted to update my wordpress installation from 3.0.4 to 3.0.5 via the automatic update feature when I encountered an ugly error: “Fatal error: Out of Memory”.  This error will prevent the update from completing.  Fortunately, the fix is pretty simple.  For details see this tutorial: http://henryranch.net/tutorials/fixing-wordpress-upgrade-out-of-memory-error/