update

postgresql.yaml

@@ -39,16 +39,16 @@ data:
     rpms:
       pg_repack:
         rationale: pg_repack extension
-        ref: ce106406fb671433ae057e768cd40c2ab642e3fa
+        ref: r8s-stream-15
         buildorder: 1
       pgaudit:
         rationale: pgaudit extension
-        ref: 1b20b13ed51b9b8599b076759f11ee8a5836dfcc
+        ref: r8s-stream-15
         buildorder: 1
       postgres-decoderbufs:
         rationale: postgres-decoderbufs extension
-        ref: e3767b3dacea48296fe7d70129684e1b9232346f
+        ref: r8s-stream-15
         buildorder: 1
       postgresql:
         rationale: Module API.
-        ref: f21716c56316e0bcb1bf096baa10bafad7a5492c
+        ref: r8s-stream-15