chore: update alpha copy on supabase

the supabase platform is no longer in alpha, also there are updated guides on self hosting

src/yaml/degoogle.yml

@@ -372,9 +372,8 @@ web based products:
       repo: https://github.com/supabase/supabase
       eyes: null
       text: >
-        Supabase is an opensource alternative to Firebase. As of right now you can use their hosting
-        plan for free as it's in alpha, or you can self host
-        ([note on self hosting](https://github.com/supabase/supabase/issues/85#issuecomment-636010946)).
+        Supabase is an opensource alternative to Firebase. You can host for free on [their platform](https://app.supabase.com), or you can [self host]
+        (https://supabase.com/docs/guides/self-hosting).
         Thanks @woutfeys
     - name: GoAccess
       url: https://goaccess.io/