fix tag

Author: mvorisek

.github/workflows/test-unit.yml

@@ -38,7 +38,7 @@ jobs:
           POSTGRES_DB: atk4_test
         options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
       mssql:
-        image: mcr.microsoft.com/mssql/server:2022
+        image: mcr.microsoft.com/mssql/server:2022-latest
         env:
           ACCEPT_EULA: Y
           SA_PASSWORD: atk4_pass