Update openSUSE version to Leap 15.2

Page Metadata Updates

If you're just updating information/metadata on a page make sure you do the following:.

[x] update the screenshot file to the latest version (if applicable) and please optimize the file size
[x] update or add the updated: field to the post's frontmatter with the date in YYYY-MM-DD format
[x] update or add the updater: field to the post's frontmatter with your name in quotations "Your Name"
[x] rename the post's filename with the new date, e.g YYYY-MM-DD-name