Changed

• Bump docker/build-push-action from 3 to 4 (#208 by dependabot)
• Bump github.com/eclipse/paho.mqtt.golang from 1.4.1 to 1.4.2 (#202 by dependabot)
• Bump github.com/gin-gonic/gin from 1.8.1 to 1.9.0 (#206, #211 by dependabot)
• Bump github.com/lib/pq from 1.10.7 to 1.10.9 (#220 by dependabot)
• Bump github.com/thanhpk/randstr from 1.0.4 to 1.0.5 (#215 by dependabot)
• Bump golang from 1.19.2 to 1.20.4 (#204, #205, #207, #210, #213, #216, #221 by dependabot)