chore: CI: exempt drafts from PR body check

.github/workflows/pr-body.yml

@@ -3,7 +3,7 @@ name: Check PR body for changelog convention
 on:
   merge_group:
   pull_request:
-    types: [opened, synchronize, reopened, edited, labeled]
+    types: [opened, synchronize, reopened, edited, labeled, converted_to_draft, ready_for_review]
 
 jobs:
   check-pr-body:
@@ -13,8 +13,8 @@ jobs:
         uses: actions/github-script@v7
         with:
           script: |
-            const { title, body, labels } = context.payload.pull_request;
-            if (/^(feat|fix):/.test(title) && !labels.some(label => label.name == "changelog-no")) {
+            const { title, body, labels, draft } = context.payload.pull_request;
+            if (!draft && /^(feat|fix):/.test(title) && !labels.some(label => label.name == "changelog-no")) {
               if (!labels.some(label => label.name.startsWith("changelog-"))) {
                 core.setFailed('feat/fix PR must have a `changelog-*` label');
               }