Fix review avatar image

[jolheiser]

https://try.gitea.io/jolheiser/ciw/pulls/17

[codecov-io]

Codecov Report

Merging #9962 into master will increase coverage by 0.02%.
The diff coverage is 52.65%.

@@            Coverage Diff             @@
##           master    #9962      +/-   ##
==========================================
+ Coverage    42.2%   42.23%   +0.02%     
==========================================
  Files         609      610       +1     
  Lines       79692    80274     +582     
==========================================
+ Hits        33635    33901     +266     
- Misses      41911    42210     +299     
- Partials     4146     4163      +17

Impacted Files	Coverage Δ
models/models.go	61.71% <ø> (ø)	⬆️
models/repo_list.go	76.81% <ø> (ø)	⬆️
models/issue.go	54.81% <ø> (ø)	⬆️
routers/api/v1/org/hook.go	0% <0%> (ø)	⬆️
cmd/admin.go	0% <0%> (ø)	⬆️
routers/org/teams.go	0% <0%> (ø)	⬆️
models/pull_sign.go	34.86% <0%> (ø)	⬆️
routers/api/v1/repo/issue_subscription.go	0% <0%> (ø)	⬆️
routers/api/v1/repo/release.go	46.2% <0%> (+0.62%)	⬆️
routers/api/v1/repo/key.go	20.37% <0%> (-0.79%)	⬇️
... and 98 more

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