Add required giphy logo

[octavioamu]

Description

Add "power by giphy" as required on they reject api notes.

Refers/Fixes

Testing

[codecov]

Codecov Report

Merging #6114 into stable will decrease coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           stable    #6114      +/-   ##
==========================================
- Coverage   28.71%   28.69%   -0.02%     
==========================================
  Files         272      272              
  Lines       24393    24430      +37     
  Branches     3565     3585      +20     
==========================================
+ Hits         7004     7011       +7     
- Misses      17108    17129      +21     
- Partials      281      290       +9     

Impacted Files	Coverage Δ
app/dashboard/views.py	11.88% <0.00%> (ø)	⬆️
...rketing/management/commands/no_applicants_email.py	0.00% <0.00%> (ø)	⬆️
...eting/management/commands/assemble_leaderboards.py	42.20% <0.00%> (ø)	⬆️
app/townsquare/views.py	10.60% <0.00%> (+0.98%)	⬆️

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