�� ci: unify PR body check naming

Author: zrr1999

.github/workflows/ci-pr-checks.yml

@@ -24,13 +24,13 @@ jobs:
         with:
           text: ${{ github.event.pull_request.title }}
 
-  description:
-    name: PR description
+  body:
+    name: PR body
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
 
-      - name: Check PR description headings
+      - name: Check PR body headings
         env:
           GITHUB_EVENT_PATH: ${{ github.event_path }}
         run: |
@@ -63,10 +63,10 @@ jobs:
           actual = extract_h2_headings(body)
 
           if actual != expected:
-              print("PR description headings do not match the repository template.", file=sys.stderr)
+              print("PR body headings do not match the repository template.", file=sys.stderr)
               print(f"Expected headings: {expected}", file=sys.stderr)
               print(f"Actual headings:   {actual}", file=sys.stderr)
               raise SystemExit(1)
 
-          print("PR description headings match the repository template.")
+          print("PR body headings match the repository template.")
           PY