fix(dev): workflow issues hopefully fixed

.github/workflows/pub-publish.yml

@@ -24,14 +24,12 @@ jobs:
       - name: Extract release notes
         id: extract-release-notes
         run: |
-          # Extract contents from the top until the second header
-          FILE_CONTENTS=$(sed -n '/^## /q;p' CHANGELOG.md)
+          FILE_CONTENTS=$(awk '/^## /{if(++n==2)exit} {print}' CHANGELOG.md)
           echo "::set-output name=contents::${FILE_CONTENTS}"
 
       - name: Update Release Description
         uses: softprops/action-gh-release@v1
         with:
-          files: ""
           token: ${{ secrets.GITHUB_TOKEN }}
           body: |
             ${{ steps.extract-release-notes.outputs.contents }}