[WIP] chore: use reuseconn linter instead of bodyclose

[atzoum]

Description

Using reuseconn instead of bodyclose, to ensure that http response's are properly disposed (consumed & closed) by a single function call.

Need to wait until the linter is included in golangci-lint (relevant pr here)

Security

• The code changed/added as part of this pull request won't create any security issues with how the software is being used.

[codecov]

Codecov Report

Base: 47.42% // Head: 47.53% // Increases project coverage by +0.10% 🎉

Coverage data is based on head (acfd1c1) compared to base (f1d3d03).
Patch coverage: 70.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2851      +/-   ##
==========================================
+ Coverage   47.42%   47.53%   +0.10%     
==========================================
  Files         310      310              
  Lines       49653    49674      +21     
==========================================
+ Hits        23548    23611      +63     
+ Misses      24668    24617      -51     
- Partials     1437     1446       +9     

Impacted Files	Coverage Δ
enterprise/reporting/reporting.go	15.80% <0.00%> (ø)
services/alert/pagerduty.go	0.00% <0.00%> (ø)
services/alert/victorops.go	0.00% <0.00%> (ø)
utils/misc/misc.go	46.39% <0.00%> (-0.16%)	⬇️
warehouse/testhelper/events.go	0.00% <0.00%> (ø)
warehouse/testhelper/setup.go	0.00% <0.00%> (ø)
warehouse/utils/utils.go	69.49% <0.00%> (-0.26%)	⬇️
router/transformer/transformer.go	69.70% <83.33%> (+1.05%)	⬆️
config/backend-config/namespace_config.go	70.00% <100.00%> (ø)
config/backend-config/single_workspace.go	79.82% <100.00%> (ø)
... and 33 more

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[github-actions]

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