Merge pull request community#148825 from community/resolve-exit-early

Update resolve_incident_discussion.rb to exit early

.github/actions/resolve_incident_discussion.rb

@@ -9,6 +9,11 @@
 # first, we must identify the correct incident to update, in the case where there are multiple open incident discussions.
 discussion = Discussion.find_open_incident_discussions(owner: "community", repo: "community").keep_if { |d| d.body.include?("#{ENV["INCIDENT_SLUG"]}") }.first
 
+if discussion.nil?
+  puts "No applicable discussion, exiting"
+  exit
+end
+
 discussion.add_comment(body: "### Incident Resolved \n This incident has been resolved.")
 # update the post body to include the resolved picture
 updated_body = "![A dark background with two security-themed abstract shapes positioned in the top left and bottom right corners. In the center of the image, bold white text reads \\\"Incident Resolved\\\" with a white Octocat logo.](https://github.com/community/community/blob/main/.github/src/incident_resolved.png?raw=true) \n \n #{discussion.body}"