Fix: update_release_commit_sha should return json
Fix: update_release_commit_sha should return json

jmvasquez/redashtest,vishesh92/redash,rockwotj/redash,EverlyWell/redash,jmvasquez/redashtest,alexanderlz/redash,crowdworks/redash,M32Media/redash,guaguadev/redash,ninneko/redash,stefanseifert/redash,akariv/redash,getredash/redash,pubnative/redash,chriszs/redash,vishesh92/redash,chriszs/redash,akariv/redash,imsally/redash,vishesh92/redash,alexanderlz/redash,denisov-vlad/redash,alexanderlz/redash,akariv/redash,moritz9/redash,getredash/redash,44px/redash,denisov-vlad/redash,crowdworks/redash,alexanderlz/redash,getredash/redash,useabode/redash,jmvasquez/redashtest,amino-data/redash,stefanseifert/redash,M32Media/redash,imsally/redash,hudl/redash,rockwotj/redash,pubnative/redash,hudl/redash,stefanseifert/redash,guaguadev/redash,amino-data/redash,chriszs/redash,crowdworks/redash,pubnative/redash,amino-data/redash,ninneko/redash,useabode/redash,moritz9/redash,guaguadev/redash,jmvasquez/redashtest,easytaxibr/redash,crowdworks/redash,EverlyWell/redash,denisov-vlad/redash,akariv/redash,easytaxibr/redash,rockwotj/redash,useabode/redash,pubnative/redash,EverlyWell/redash,ninneko/redash,stefanseifert/redash,44px/redash,ninneko/redash,EverlyWell/redash,denisov-vlad/redash,pubnative/redash,easytaxibr/redash,M32Media/redash,moritz9/redash,vishesh92/redash,getredash/redash,denisov-vlad/redash,44px/redash,ninneko/redash,getredash/redash,amino-data/redash,guaguadev/redash,imsally/redash,imsally/redash,jmvasquez/redashtest,akariv/redash,stefanseifert/redash,chriszs/redash,44px/redash,easytaxibr/redash,easytaxibr/redash,moritz9/redash,hudl/redash,guaguadev/redash,useabode/redash,hudl/redash,rockwotj/redash,M32Media/redash