site-admin: display repository stats in overview

Created by: unknwon

Fixes #15125

Created by: unknwon

I don't know why can't I just assign @sourcegraph/web as the reviewer (which I'm able to for @sourcegraph/cloud).

Created by: codecov[bot]

Codecov Report

Merging #16190 (eec2ffb) into main (b09c208) will decrease coverage by 7.53%. The diff coverage is 26.66%.

@@            Coverage Diff             @@
##             main   #16190      +/-   ##
==========================================
- Coverage   60.31%   52.77%   -7.54%     
==========================================
  Files         156     1647    +1491     
  Lines        6337    82370   +76033     
  Branches     1889     7307    +5418     
==========================================
+ Hits         3822    43471   +39649     
- Misses       2504    35046   +32542     
- Partials       11     3853    +3842     

Flag	Coverage Δ
go	52.51% <0.00%> (?)
integration	28.49% <ø> (?)
storybook	28.03% <ø> (?)
typescript	53.39% <100.00%> (-6.92%)
unit	35.91% <100.00%> (-24.40%)

Impacted Files	Coverage Δ
client/web/src/integration/graphQlResults.ts	0.00% <ø> (ø)
client/web/src/tracking/withActivation.tsx	69.66% <ø> (ø)
cmd/frontend/graphqlbackend/repository_stats.go	0.00% <0.00%> (ø)
.../src/site-admin/overview/SiteAdminOverviewPage.tsx	81.13% <100.00%> (ø)
...lient/shared/src/api/client/services/decoration.ts	69.23% <0.00%> (-4.97%)
client/shared/src/api/extension/extensionHost.ts	76.47% <0.00%> (ø)
...ternal/codeintel/autoindex/inference/typescript.go	100.00% <0.00%> (ø)
...eb/src/settings/tokens/AccessTokenCreatedAlert.tsx	0.00% <0.00%> (ø)
...wser/src/shared/code-hosts/phabricator/fileInfo.ts	82.85% <0.00%> (ø)
cmd/frontend/internal/app/jscontext/jscontext.go	1.49% <0.00%> (ø)
... and 1512 more