Use fastapi automation for jira sync (#349)

change the automation to instead use https://github.com/canonical/gh-jira-sync-bot
for creating issues, instead of the previous workflow

.github/.jira_sync_config.yaml

@@ -0,0 +1,31 @@
+settings:
+    # Jira project key to create the issue in
+  jira_project_key: "KF"
+
+  # Dictionary mapping GitHub issue status to Jira issue status
+  status_mapping:
+    opened: Untriaged
+    closed: done
+
+  # (Optional) GitHub labels. Only issues with one of those labels will be synchronized.
+  # If not specified, all issues will be synchronized
+  labels:
+    - bug
+    - enhancement
+
+  # (Optional) (Default: false) Add a new comment in GitHub with a link to Jira created issue
+  add_gh_comment: true
+
+  # (Optional) (Default: true) Synchronize issue description from GitHub to Jira
+  sync_description: true
+
+  # (Optional) (Default: true) Synchronize comments from GitHub to Jira
+  sync_comments: false
+
+  # (Optional) (Default: None) Parent Epic key to link the issue to
+  epic_key: "KF-4805"
+
+  # (Optional) Dictionary mapping GitHub issue labels to Jira issue types.
+  # If label on the issue is not in specified list, this issue will be created as a Bug
+  label_mapping:
+    enhancement: Story