The ornamental design for a cargo netting, as shown and described.
FIG. 1 is a top plan view of a cargo netting;
FIG. 2 is a front top-side perspective view thereof;
FIG. 3 is a rear top-side perspective view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a front bottom-side perspective view thereof; and,
FIG. 6 is a rear bottom-side perspective view thereof.
The broken line showing electronic components is included for the purpose of illustrating environmental structure and forms no part of the claimed design.