cleanup requirements and update conference workflow

[kjaymiller]

Issue Link 🔗:

Issue: #[Issue_Number]

Type of Change

• Bug fix 🐞
• New feature/page
• Documentation update
• Other

Description 📋

• What: Provide an overview of the issue this PR addresses. Explain the context and background information.

Updates the conference workflow to install all the requirements-dev.txt file

• Why: Describe why the changes are being made. Highlight key updates, new features, or bug fixes.

Instead of calling manual packages, we can call the packages that we've stated are required to run the project.

• How: Explain how these changes will affect the project or end-users.

This will make the workflow run as expected

Checklist ✅

• Followed the Code of Conduct and Contribution Guide
• Ran pre-commit run --all
• All tests pass locally
• Added tests (if applicable)
• Documentation updated (if applicable)

Additional Notes & Screenshots

Add any additional notes or comments that might be helpful for the reviewers.