Add issue number.

Author: kinyoklion

.github/workflows/browser.yml

@@ -51,13 +51,15 @@ jobs:
         uses: peter-evans/find-comment@v3
         id: fc
         with:
+          issue-numer: ${{ github.event.number }}
           comment-author: 'github-actions[bot]'
           body-includes: '@launchdarkly/js-client-sdk size report'
 
       - name: Create comment
         if: steps.fc.outputs.comment-id == '' && github.event_name == 'pull_request' && matrix.version == '21'
         uses: peter-evans/create-or-update-comment@v4
         with:
+          issue-numer: ${{ github.event.number }}
           body: |
             @launchdarkly/js-client-sdk size report
             Size: ${{ env.PACK_SIZE }} bytes