Updating requirements files and aligning with new GDS updates and designs

[psweeting1]

Summary:
This PR includes updates to dependencies and improvements to the demo shell script for better compatibility and styling.

Changes:

Requirements File Updates:

• Bumped dependency versions in requirements.txt and related files to ensure compatibility with the latest versions.
• Upgraded the GDS frontend package to the latest version, allowing the project to utilise newer CSS and JS features.
• Demo Shell Script Fix. Updated the demo shell script to reference the correct stylesheets, ensuring accurate styling in demos.

Why These Changes Are Necessary:

• Keeps dependencies up to date for security and stability.
• Allows the use of improved GDS frontend components and styles.
• Fixes inconsistencies in demo styling caused by outdated references.

Testing

• Confirmed that the project builds successfully with the updated dependencies.
• Verified that the latest GDS frontend styles and scripts integrate without issues.
• Tested the demo shell script to ensure correct stylesheet loading.

[TawneeOwl]

LGTM