BlackBerry Bridge v1.0.5.6 is currently being rolled out in BlackBerry App World.  BlackBerry Bridge, of course, is the application which allows you to pair your BlackBerry PlayBook with your BlackBerry smartphone.   Updates to BlackBerry Bridge have, in the past, been precursors to updates of BlackBerry Tablet OS, so, it will be interesting to see if the BlackBerry PlayBook gets an OS update with the next couple of days…