chore: fix noctx issues

[mmorel-35]

Description

Fixes noctx issues and enables the linter

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.6%. Comparing base (de5fb3a) to head (d431d56).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@          Coverage Diff          @@
##            main   #8008   +/-   ##
=====================================
  Coverage   81.6%   81.6%           
=====================================
  Files        304     304           
  Lines      23424   23424           
=====================================
+ Hits       19127   19135    +8     
+ Misses      3909    3903    -6     
+ Partials     388     386    -2     

Files with missing lines	Coverage Δ
exporters/otlp/otlplog/otlploghttp/client.go	83.5% <100.0%> (+0.6%)	⬆️
exporters/otlp/otlplog/otlploghttp/exporter.go	91.6% <100.0%> (ø)
exporters/otlp/otlpmetric/otlpmetrichttp/client.go	81.6% <100.0%> (ø)
exporters/otlp/otlptrace/otlptracehttp/client.go	77.1% <100.0%> (ø)

... and 3 files with indirect coverage changes

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