Verify script is run on release branch (#135)
Verify script is run on release branch (#135)

* Verify script is run on release branch

* Clarify script version instructions

* Allow branch prefix

forcedotcom/salesforcedx-vscode,forcedotcom/salesforcedx-vscode,forcedotcom/salesforcedx-vscode,forcedotcom/salesforcedx-vscode