message: Set BRANCH_TO_DEPLOY as env var as it leads to failed initial builds on new branches, if it's used as an input option
diff: @@ -15,6 +15,8 @@ pipeline {
  disableConcurrentBuilds()
  }
  environment {
  + // In case another branch beside master or develop should be deployed, enter it here
  + BRANCH_TO_DEPLOY = "xyz"
  DISCORD_WEBHOOK = credentials('991ce248-5da9-4068-9aea-8a6c2c388a19')
  GITHUB_TOKEN = credentials('cdc81429-53c7-4521-81e9-83a7992bca76')
  DEVELOP_TAG = "Build${BUILD_NUMBER}"
  