Update create-final-release script to skip dev release and checkout the master branch for pushing
Update create-final-release script to skip dev release and checkout the master branch for pushing

[#100380306]

Signed-off-by: Joseph Palermo <e623ceb69d4eba908c7aa121d8a6c4c407e290f1@pivotal.io>

cloudfoundry/mega-ci,cloudfoundry/mega-ci