Hey wow, we had almost managed to forget about the ongoing investigation into a bribery and shady contracting ring operating out of the D.C. Office of the Chief Technology Officer. The Post is reporting that a fourth person has been charged in the case. Sarosh Mir, 44, of Herndon was charged last week with conspiring to commit wire fraud. Mir worked for Sushil Bansal, the outside contractor who has been charged with conspiring with OCTO…