Correcting Download URL for RockyLinux 8.8 & Adding RockyLinux 9.2

[Da-Geek]

Before submitting a pull request, please check the following.

---

When updating an existing appliance:

• [X] The new version is on top.
• [X] The filenames in the "images" section are unique, to avoid appliances / version overwriting each other.

• [X] If you forked the repo, running check.py doesn't drop any errors for the updated file.

After a previous mistake I made, I am also including proof that the new images Boot Fully (Maybe this should become a standard request???)