APPS-11227: Add support for VALKEY in apps database spec (#1010)

Author: greeshmapill

specification/resources/apps/models/app_database_spec.yml

@@ -29,13 +29,15 @@ properties:
       - MONGODB
       - KAFKA
       - OPENSEARCH
+      - VALKEY
     description: |-
       - MYSQL: MySQL
       - PG: PostgreSQL
       - REDIS: Redis
       - MONGODB: MongoDB
       - KAFKA: Kafka
       - OPENSEARCH: OpenSearch
+      - VALKEY: ValKey
     example: PG
 
   name: