fix(faq): update info on grants

[chibie]

Description

• We no longer support subscriptions
• Anyone can use grants

[codecov]

Codecov Report

Merging #7535 into master will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #7535      +/-   ##
==========================================
+ Coverage   25.99%   26.01%   +0.01%     
==========================================
  Files         310      310              
  Lines       31213    31213              
  Branches     4621     4621              
==========================================
+ Hits         8114     8120       +6     
+ Misses      22815    22814       -1     
+ Partials      284      279       -5     

Impacted Files	Coverage Δ
app/quests/views.py	16.22% <0.00%> (ø)
app/dashboard/views.py	10.46% <0.00%> (ø)
...rketing/management/commands/no_applicants_email.py	0.00% <0.00%> (ø)
...eting/management/commands/assemble_leaderboards.py	39.73% <0.00%> (ø)
app/dashboard/embed.py	31.60% <0.00%> (+3.44%)	⬆️

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