What can I do to treat cervical spine uncinate spurring?

Depends on your. Level of symptoms. Generally, simple stretching and range of motion exercises especially in a hot shower can help. Isometric exercises as well as postural adjustments can be beneficial otc meds can help if no contraindications to their use. Smoking cessation is important.
Cervical spurs. Bone spurs are hard overgrown joints. They can press on nerves and typically cause arm pain. Epidural injections may help. This may be a surgical problem if all else fails. Consult a spine surgeon for that. If there are no symptoms and it is just a finding on an MRI report there is nothing to do.