frontend: Instrument our internal http handlers

Created by: ryanslade

Created by: ryanslade

Specifically I need this so I can track a possible performance improvement for the .internal/repos/index endpoint

Created by: codecov[bot]

Codecov Report

Merging #16907 (2f2fbf8) into main (7b3c57d) will decrease coverage by 0.00%. The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main   #16907      +/-   ##
==========================================
- Coverage   52.29%   52.29%   -0.01%     
==========================================
  Files        1699     1699              
  Lines       84038    84041       +3     
  Branches     7618     7618              
==========================================
- Hits        43947    43946       -1     
- Misses      36216    36221       +5     
+ Partials     3875     3874       -1     

Flag	Coverage Δ		*Carryforward flag
go	51.39% <0.00%> (-0.01%)
integration	29.71% <ø> (ø)		Carriedforward from d1122a0
storybook	28.71% <ø> (ø)		Carriedforward from d1122a0
typescript	54.40% <ø> (ø)		Carriedforward from d1122a0
unit	35.02% <ø> (ø)		Carriedforward from d1122a0

*This pull request uses carry forward flags. Click here to find out more.

Impacted Files	Coverage Δ
cmd/frontend/internal/cli/http.go	0.00% <0.00%> (ø)
...nal/campaigns/resolvers/changeset_apply_preview.go	59.82% <0.00%> (-0.86%)
.../internal/codeintel/resolvers/graphql/locations.go	83.50% <0.00%> (ø)

Created by: ryanslade

@bobheadxi @tsenart @pecigonzalo Just want to resurface this on after the break :)

Created by: ryanslade

SGTM. I wonder if we should do it wrapper per wrapper like in https://k8s.sgdev.org/github.com/sourcegraph/sourcegraph/-/blob/cmd/frontend/internal/cli/http.go#L84-94

Good idea, that's clearer