fix: sort unit dependency shadow values for deterministic output

Sort Requires and After shadow values in buildUnitSection. These are
built from map iteration over x-quad-ops-dependencies, producing
non-deterministic ordering for services with multiple dependencies.

Author: trly

internal/systemd/container.go

@@ -64,6 +64,10 @@ func buildUnitSection(file *ini.File, projectName string, svc *types.ServiceConf
 		unitShadows["After"] = append(unitShadows["After"], unitName)
 	}
 
+	// Sort shadow values derived from map iteration for deterministic output
+	slices.Sort(unitShadows["Requires"])
+	slices.Sort(unitShadows["After"])
+
 	writeOrderedSection(unitSection, nil, unitShadows)
 }