only pick tags that look like vxx.xx.xx (#3945)
only pick tags that look like vxx.xx.xx (#3945)


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