Modify branch switch and sync instructions (AerynOS#59)

Updated git commands for switching branches and syncing forks.

Author: CookieSource

src/content/docs/Packaging/Workflow/updating-an-existing-recipe.mdx

@@ -18,8 +18,8 @@ For a recap, if you have followed the previous guide, the commands will be:
 sudo moss repo enable volatile
 sudo moss sync -u
 gotoaosrepo
-git switch 2025-05-repo-rebuild
-gh repo sync yourusername/yourfork -b 2025-05-repo-rebuild
+git switch main
+gh repo sync yourusername/yourfork -b main
 git pull
 ```