message: Removed Groovy string interpolation for Discord webhook
diff: @@ -50,7 +50,7 @@ pipeline {
  result: "ABORTED",
  thumbnail: 'https://wiki.jenkins-ci.org/download/attachments/2916393/headshot.png',
  title: "$env.JOB_NAME",
  - webhookURL: "${DISCORD_WEBHOOK}"
  + webhookURL: DISCORD_WEBHOOK
  )
  }
  }
  @@ -871,7 +871,7 @@ pipeline {
  successful: true,
  thumbnail: 'https://wiki.jenkins-ci.org/download/attachments/2916393/headshot.png',
  title: "$env.JOB_NAME",
  - webhookURL: "${DISCORD_WEBHOOK}"
  + webhookURL: DISCORD_WEBHOOK
  )
  }
  }
  @@ -891,7 +891,7 @@ pipeline {
  result: "UNSTABLE",
  thumbnail: 'https://wiki.jenkins-ci.org/download/attachments/2916393/headshot.png',
  title: "$env.JOB_NAME",
  - webhookURL: "${DISCORD_WEBHOOK}"
  + webhookURL: DISCORD_WEBHOOK
  )
  }
  failure {
  @@ -909,7 +909,7 @@ pipeline {
  successful: false,
  thumbnail: 'https://wiki.jenkins-ci.org/download/attachments/2916393/headshot.png',
  title: "$env.JOB_NAME",
  - webhookURL: "${DISCORD_WEBHOOK}"
  + webhookURL: DISCORD_WEBHOOK
  )
  }
  aborted {
  @@ -921,7 +921,7 @@ pipeline {
  result: "ABORTED",
  thumbnail: 'https://wiki.jenkins-ci.org/download/attachments/2916393/headshot.png',
  title: "$env.JOB_NAME",
  - webhookURL: "${DISCORD_WEBHOOK}"
  + webhookURL: DISCORD_WEBHOOK
  )
  }
  }
  