message: fix(shared-data): fix tipOvelap value for P20 tiprack
diff: "format": "96Standard",
  "isTiprack": true,
  "tipLength": 39.2,
  - "tipOverlap": 3.29,
  + "tipOverlap": 8.25,
  "isMagneticModuleCompatible": false,
  "loadName": "opentrons_96_tiprack_20ul"
  },
  