fix: bug fixs for github action generate changelog

Author: Vedantsahai18

Diff for: .github/workflows/generate-changelog.yml

@@ -1,7 +1,8 @@
-name: Julep-Changelog-Generation
+name: Julep Changelog Generation
+run-name: ${{ github.actor }} is generating changelog for the last two weeks using Julep
 
 on:
-  workflow_dispatch: {}
+  workflow_dispatch:
 
 jobs:
   changelog_generation:
@@ -43,7 +44,7 @@ jobs:
           fi
 
           echo "pr_data=$merged_prs" >> $GITHUB_ENV
-          echo "{\"pr_data\": $merged_prs}" > pr_data.json
+          echo "$merged_prs" > pr_data.json
 
       - name: Setup Python v3.10.12
         uses: actions/setup-python@v5

Diff for: scripts/generate_changelog.py

@@ -182,7 +182,7 @@ def main(pr_data: str) -> None:
     try:
         # Read PR data from JSON file
         with open('pr_data.json', 'r') as file:
-            pr_data = json.load(file)
+            pr_data = file.read()
         main(pr_data)
     except Exception as e:
         logging.error(f"Script failed: {str(e)}")