GitHub Action to notify Slack when JIRA tickets have been deployed.

• Counts all JIRA tickets mentioned in commit messages since the previous tag.
• JIRA ticket mentions must be in the format: BOARD-123

• PRODUCT_NAME - Specify name in the "<PRODUCT_NAME> is being deployed!" message (defaults to "Product")
• SLACK_WEBHOOK_URL Required - e.g. https://hooks.slack.com/services/ABCDE12345/ABCDE12345/abcdef12345abcdef12345abcdef
• JIRA_PREFIX Required - e.g. "https://myjiraboard.atlassian.net" would be "myjiraboard"

    - name: Notify Slack about JIRA tickets that have been deployed
      uses: reececomo/notify-slack-deployed-jira-tickets
      env:
        SLACK_WEBHOOK_URL: '...'
        JIRA_PREFIX: '...'

• Based off of the fnkr/github-action-git-bash GitHub Action by fnkr.