Describe the bug
The old logo of Decidim appaears in the footer

To Reproduce

1. Go to any home page
2. Scroll down to the footer
3. See error

Expected behavior
We should replace it by the new logo

Screenshots

Stacktrace
If applicable, add the error stacktrace to help explain your problem.

Extra data (please complete the following information):

• Device: [Desktop]
• Device OS: [Windows 10]
• Browser: [ Safari]
• Decidim Version: [0.16]
• Decidim installation: [Angers, Mel, Val de Marne]

Additional context
Add any other context about the problem here.