Fix Decentlab device product URLs

[decentlab]

Summary

Fixed Decentlab device product URLs

Changes

The productURL of the following devices have been fixed.

• dl-alb
• dl-blg
• dl-cws
• dl-gmm
• dl-mes5
• dl-pheht
• dl-sdd

Checklist for Reviewers

• Title and description should be descriptive (Not just a serial number for example).
• profileIDs should not be vendorID and should be a unique value for every profile.
• All devices should be listed in the vendor's index.yaml file.
• Firmware versions can not be changed.
• At least 1 image per device and should be transparent.