Introduce feature flag to raise exception on same branch exists (#10878) #1948

Job	Run time
date-version	1s
Deploy (bundler, bundler)	33s
Deploy (cargo, cargo)	47s
Deploy (composer, composer)	46s
Deploy (docker, docker)	42s
Deploy (dotnet_sdk, dotnet-sdk)	35s
Deploy (elm, elm)	32s
Deploy (git_submodules, gitsubmodule)	42s
Deploy (github_actions, github-actions)	33s
Deploy (go_modules, gomod)	1m 30s
Deploy (gradle, gradle)	32s
Deploy (hex, mix)	39s
Deploy (maven, maven)	36s
Deploy (npm_and_yarn, npm)	47s
Deploy (nuget, nuget)	1m 15s
Deploy (pub, pub)	37s
Deploy (python, pip)	2m 1s
Deploy (swift, swift)	52s
Deploy (devcontainers, devcontainers)	38s
Deploy (terraform, terraform)	35s
	15m 13s

Provide feedback