Bumping minor version to 3.23
Bumping minor version to 3.23

Microsoft/pxt,switch-education/pxt,playi/pxt,Microsoft/pxt,Microsoft/pxt,switch-education/pxt,Microsoft/pxt,switchinnovations/pxt,switchinnovations/pxt,switch-education/pxt,playi/pxt,switchinnovations/pxt,switch-education/pxt,playi/pxt,Microsoft/pxt,switchinnovations/pxt,playi/pxt,switch-education/pxt