A Phase 2b, Randomized, Double Blind, Vehicle Controlled, Parallel Group Study to Assess the Efficacy, Safety, Tolerability and Pharmacokinetics of Multiple Dose Levels of PF-07038124 Ointment for 12 Weeks in Participants 12 Years and Older and With Mild-to-Moderate Atopic Dermatitis or Mild-to-Severe Plaque Psoriasis