Reload the official superfluid dependency.

[nesitor]

Fix: Reload the official superfluid dependency.
Fix: Disable completely the support for Python 3.8

[github-actions]

Summary:
The PR involves a change in dependency versions and the removal of a specific git-based dependency, which is likely a temporary measure or a replacement for a more stable version. This change is relatively straightforward and does not introduce significant new features or modify complex logic.

Highlighting relevant parts of the diff:

• Dependency Version Change: The line "superfluid@git+https://github.com/1yam/superfluid.py.git@1yam-add-base" was replaced with "superfluid~=0.2.1". This is a straightforward version update, indicating a shift from a development version to a more stable release.
• Python Versions Update: The matrix configuration for Python versions was updated to exclude 3.8 and keep the versions 3.9, 3.10, and 3.11. This change is minor and does not affect the core functionality of the project.

The PR primarily involves a version update and a minor configuration change, which are unlikely to introduce bugs or require deep understanding of the project architecture. Therefore, it is categorized as 'BLUE'.