MGD-13107(fix): remove -- from the start of the args

Author: ArkadiuszSzamockiDT

.github/workflows/container.yml

@@ -51,7 +51,6 @@ jobs:
         with:
           image: mcp/dynatrace-managed-mcp-server:scan
           args: >
-            --
             --severity-threshold=high
             --project-business-criticality=low
             --project-lifecycle=development