Have the ability to add your own release_notes.md

### 📝 Description of the feature

- uses: ansys/actions/release-github@v8
with:
library-name: ${{ env.LIBRARY_NAME }}
token: ${{ secrets.GITHUB_TOKEN }}
**release-notes-file**: my_own_file.md

### 💡 Steps for implementing the feature

_No response_

### 🔗 Useful links and references

_No response_