minor #2331 Test diff size (3) (Kocal)

This PR was squashed before being merged into the 2.x branch.

Discussion
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Test diff size (3)

I want to see if #2330 works.

...

It's getting better!
<img width="1212" alt="image" src="https://github.com/user-attachments/assets/ff78d0d8-1200-4d73-8d5e-85f279f0f6bc">

Commits
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d667783 Test diff size (3)

Author: Kocal

.github/workflows/dist-files-size-diff-comment.yaml

@@ -20,7 +20,7 @@ jobs:
           - name: Read pr-number artifact to env var
             id: read-pr-number
             run: |
-              echo "::set-output name=pr-number::$(cat ./pr-number)"
+              echo "pr-number=$(cat ./pr-number)" >> $GITHUB_OUTPUT
               
           - name: Comment on the pull request (if success)
             uses: marocchino/sticky-pull-request-comment@v2

.github/workflows/dist-files-size-diff.yaml

@@ -59,7 +59,7 @@ jobs:
                 const diff = await main()
                 console.log(diff);
                 
-                fs.writeFileSync(process.env.GITHUB_WORKSPACE + '/dist-size-diff.md', diff)
+                fs.writeFileSync(process.env.GITHUB_WORKSPACE + '/diff.md', diff)
 
           - name: Save PR number
             run: |