Update the mempool app metadata

mempool/umbrel-app.yml

@@ -30,13 +30,13 @@ releaseNotes: >-
 
 
   Full release notes are found at https://github.com/mempool/mempool/releases
-developer: Mempool Space K.K.
+developer: Mempool Holdings S.A. de C.V.
 website: https://mempool.space/about
 dependencies:
   - bitcoin
   - electrs
 repo: https://github.com/mempool/mempool
-support: https://mempool.support
+support: https://mempool.space/sponsor
 port: 3006
 gallery:
   - 1.jpg
@@ -68,5 +68,5 @@ widgets:
         - title: "High priority"
           text: "27"
           subtext: "sat/vB"
-submitter: Mempool Space K.K.
+submitter: Mempool Holdings S.A. de C.V.
 submission: https://github.com/getumbrel/umbrel/pull/470