apacheGH-36712: [CI] Also update issue components when it's updated (a…

…pache#36723)

This allows issue openers to change the component label themselves.
* Closes: apache#36712

Authored-by: Jin Shang <shangjin1997@gmail.com>
Signed-off-by: Sutou Kouhei <kou@clear-code.com>

.github/workflows/issue_bot.yml

@@ -21,6 +21,7 @@ on:
   issues:
     types:
       - opened
+      - edited
 
 permissions:
   contents: read
@@ -56,9 +57,9 @@ jobs:
           
             if (component_labels.length == 0) throw new Error('No components found!');
 
-            await github.rest.issues.addLabels({
+            await github.rest.issues.setLabels({
               "owner": context.repo.owner,
               "repo": context.repo.repo,
               "issue_number": context.payload.issue.number,
               "labels": component_labels,
-            });
+            });