Incorrect (swapped) schematics in Servo tutorial

[dnlombard]

The servo tutorial, https://docs.arduino.cc/learn/electronics/servo-motors/, has 2 schematics, one for the 'Knob' example and another for the 'Sweep' example. The two schematics are swapped.

[jhansson-ard]

Hello @dnlombard! There is already a PR waiting for review here.

Thank you for your opened issue anyway!

[dnlombard]

Thank you!