NH-3700 - Update to generally available SQL Server 2017 for Linux

Author: ngbrown

.circleci/config.yml

@@ -25,7 +25,7 @@ jobs:
     docker:
       - *ref-base-image
 
-      - image: microsoft/mssql-server-linux:latest
+      - image: microsoft/mssql-server-linux:2017-latest
         environment:
           - ACCEPT_EULA: Y
           - SA_PASSWORD: Password12!