fix: set default gaia version to gaia20

Pacman99 · Pacman99 · commit 948898bf5bf7 · 2025-04-02T07:50:00.000-07:00
diff --git a/packages/gaia.nix b/packages/gaia.nix
@@ -248,4 +248,4 @@
       };
     };
 in
-  gaias // {gaia-main = gaias.gaia8;}
+  gaias // {gaia = gaias.gaia20;}
