Adding code coverage comment in the PR

.github/workflows/unit-testing.yml

@@ -76,12 +76,9 @@ jobs:
           echo "![Coverage](https://img.shields.io/badge/coverage-$(grep -oP 'covered="(\K[^"]+)' coverage.xml)%25-brightgreen)" >> coverage_comment.txt
           echo "Coverage details are available [here](./coverage.xml)." >> coverage_comment.txt
 
-          # Set up the comment payload in a JSON file
-          echo '{"body": "'$(cat coverage_comment.txt | sed ':a;N;$!ba;s/\n/\\n/g')'"}' > comment_payload.json
-
-          # Post the comment using the GitHub API
+          # Post the comment using the GitHub API with PR number directly
           curl -X POST \
             -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
             -H "Content-Type: application/json" \
-            -d @comment_payload.json \
-            "https://api.github.com/repos/$GITHUB_REPOSITORY/issues/$PR_NUMBER/comments"
+            -d "{\"body\": \"$(cat coverage_comment.txt | sed ':a;N;$!ba;s/\n/\\n/g')\"}" \
+            "https://api.github.com/repos/$GITHUB_REPOSITORY/issues/${{ github.event.pull_request.number }}/comments"