Use specific sqlsrv image

Author: janedbal

.github/workflows/platform-test.yml

@@ -85,7 +85,7 @@ jobs:
           - "3306:3306"
 
       mssql:
-        image: mcr.microsoft.com/mssql/server:latest
+        image: mcr.microsoft.com/mssql/server:2022-CU18-ubuntu-20.04
         env:
           ACCEPT_EULA: Y
           SA_PASSWORD: 'Secret.123'

tests/Platform/docker/docker-compose.yml

@@ -28,7 +28,7 @@ services:
                 target: /var/lib/postgresql/data
 
     mssql:
-        image: mcr.microsoft.com/mssql/server:latest
+        image: mcr.microsoft.com/mssql/server:2022-CU18-ubuntu-20.04
         environment:
             ACCEPT_EULA: Y
             SA_PASSWORD: 'Secret.123'