Add comment script to diff dist workflow

.github/workflows/diff-change-to-dist.yaml

@@ -42,18 +42,15 @@ jobs:
           github-token: ${{secrets.GITHUB_TOKEN}}
           script: |
             const fs = require('fs').promises
+            const commentOnPr = require('./shared/stats/comment.js').commentOnPr
             const diff = await fs.readFile(
               process.env.GITHUB_WORKSPACE + '/dist.diff', 'utf8'
             )
 
-            const commentText = '## Changes to dist\n' +
+            const commentText = '<!-- Diff release -->' +
+              '## Changes to dist\n' +
               '```diff\n' +
               diff +
               '\n```'
 
-            github.rest.issues.createComment({
-              issue_number: context.payload.pull_request.number,
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-              body: commentText
-            })
+            await commentOnPr({github,context}, '<!-- Diff release -->', commentText)