Update Backport GitHub actions to integrate JIRA issue

[HyeockJinKim]

Motivation  

[Why is this Task important? Explain the context and reasons for this task.]  

• Backport PRs are currently not being registered as pull requests in Jira, causing tracking issues.

Objective  

[Clearly state the purpose or goal of this task.]  

• Ensure that backport PRs are also registered as pull requests in Jira.

Details  

[Outline the specific steps or changes needed to complete this task.]  

1. Discussion is needed on how to register backport PRs as pull requests in Jira.
   1. Option 1: Always include the Jira issue key in the PR title (e.g., feat(BA-2): Add...).
      1. This would require modifying the PR title checker.
   2. Option 2: Copy the content of the original PR into the backport PR.
      1. This would require ensuring that content is passed during the backport creation process.

Impact  

[Describe how this task may indirectly influence other services, if at all.]  

• This task will enable Jira to track backport PRs effectively.

[achimnol]

Done via #3338.