fix lint warnings

[gschwend]

resolver warning de lint sobre o uso de tag para imagem

./components/Partnersfooter.js
46:17  Warning: Do not use <img>. Use Image from 'next/image' instead. See: https://nextjs.org/docs/messages/no-img-element  @next/next/no-img-element
99:17  Warning: Do not use <img>. Use Image from 'next/image' instead. See: https://nextjs.org/docs/messages/no-img-element  @next/next/no-img-element
106:17  Warning: Do not use <img>. Use Image from 'next/image' instead. See: https://nextjs.org/docs/messages/no-img-element  @next/next/no-img-element
113:17  Warning: Do not use <img>. Use Image from 'next/image' instead. See: https://nextjs.org/docs/messages/no-img-element  @next/next/no-img-element
120:17  Warning: Do not use <img>. Use Image from 'next/image' instead. See: https://nextjs.org/docs/messages/no-img-element  @next/next/no-img-element
127:17  Warning: Do not use <img>. Use Image from 'next/image' instead. See: https://nextjs.org/docs/messages/no-img-element  @next/next/no-img-element