chore(userstyles.yml): andreasgrafen -> @unseen-ninja (catppuccin#943)

Author: uncenter

scripts/userstyles.yml

@@ -19,9 +19,9 @@ collaborators:
     url: https://github.com/GlowingUmbreon
   - &justtobbi
     url: https://github.com/justTOBBI
-  - &andreasgrafen
-    name: Andreas Grafen
-    url: https://github.com/andreasgrafen
+  - &unseen-ninja
+    name: Lemon
+    url: https://github.com/unseen-ninja
   - &lucasmelin
     name: Lucas Melin
     url: https://github.com/lucasmelin
@@ -315,7 +315,7 @@ userstyles:
       usage: "Switch to a default GitHub light/dark theme via **Settings** > **Appearance** for the best experience!"
       app-link: "https://github.com"
     current-maintainers: [*uncenter]
-    past-maintainers: [*andreasgrafen, *pocco81, *glowingumbreon]
+    past-maintainers: [*unseen-ninja, *pocco81, *glowingumbreon]
   gmail:
     name: Gmail
     categories: [email_client, productivity]
@@ -445,7 +445,7 @@ userstyles:
     readme:
       app-link: "https://invidious.io"
     current-maintainers: []
-    past-maintainers: [*andreasgrafen, *winston]
+    past-maintainers: [*unseen-ninja, *winston]
   invokeai:
     name: InvokeAI
     categories: [artificial_intelligence, productivity]
@@ -485,7 +485,7 @@ userstyles:
     readme:
       app-link: ["https://github.com/libreddit/libreddit", "https://github.com/redlib-org/redlib"]
     current-maintainers: []
-    past-maintainers: [*andreasgrafen]
+    past-maintainers: [*unseen-ninja]
   lichess:
     name: Lichess
     categories: [game]
@@ -521,7 +521,7 @@ userstyles:
         - question: "**The theme does not look the same as the preview?**"
           answer: "Your Mastodon instance may be using its own custom CSS, which is changing the look of the theme."
     current-maintainers: [*isabelroses]
-    past-maintainers: [*andreasgrafen]
+    past-maintainers: [*unseen-ninja]
   mdbook:
     name: mdBook
     categories: [wiki, development]