fix(ios): silence remaining build warnings and refresh artifact comments

.github/workflows/ios-artifact-comment.yml

@@ -7,6 +7,7 @@ on:
 
 permissions:
   contents: read
+  issues: write
   pull-requests: write
 
 jobs:
@@ -28,6 +29,13 @@ jobs:
           [ -n "$pr_number" ] || exit 0
           echo "artifact_url=https://github.com/$GITHUB_REPOSITORY/actions/runs/$RUN_ID/artifacts/$artifact_id" >> "$GITHUB_OUTPUT"
           echo "pr_number=$pr_number" >> "$GITHUB_OUTPUT"
+      - name: Delete existing comment
+        if: steps.artifact.outputs.pr_number != ''
+        uses: izhangzhihao/delete-comment@master
+        with:
+          github_token: ${{ github.token }}
+          delete_user_name: github-actions[bot]
+          issue_number: ${{ steps.artifact.outputs.pr_number }}
       - name: Get build info
         id: build-info
         env: