updating metadata for official release

Author: damienjburks

services/database/relational/metadata.yaml

@@ -4,13 +4,13 @@ metadata:
   description: |
       This documents the minimual set of capabilities that should be present for a RDMS
       service to be considered for use in financial services ecosystems.
-  version: "2025.03"
-  last-modified: "2025-04-16T19:30:51-05:00"
+  version: "2025.05"
+  last-modified: "2023-10-05T10:06:00-05:00"
   applicability-categories: []
   mapping-references: []
 
 release_details:
-  - version: "2025.03"
+  - version: "2025.05"
     assurance_level: None
     threat_model_url: None
     threat_model_author: None