[Lint] Change to linter deny list and fix formerly excluded linters

[mpass99]

No description provided.

[MrSerth]

From my point of view, this PR is currently on stale, besides the good intent (and our general desire to proceed with this topic). I added it to the project and would suggest to continue it as part of our current maintenance / bug fixing efforts.

[codecov]

Codecov Report

Attention: Patch coverage is 80.88578% with 82 lines in your changes missing coverage. Please review.

Project coverage is 76.88%. Comparing base (8f819de) to head (84dfd50).
Report is 4 commits behind head on main.

Files	Patch %	Lines
cmd/poseidon/main.go	55.55%	14 Missing and 2 partials ⚠️
pkg/monitoring/influxdb2_middleware.go	63.15%	7 Missing ⚠️
internal/api/environments.go	62.50%	6 Missing ⚠️
internal/runner/aws_runner.go	53.84%	6 Missing ⚠️
internal/runner/nomad_runner.go	85.36%	5 Missing and 1 partial ⚠️
pkg/nullio/ls2json.go	72.72%	3 Missing and 3 partials ⚠️
internal/api/ws/codeocean_reader.go	66.66%	2 Missing and 3 partials ⚠️
internal/nomad/nomad.go	90.38%	4 Missing and 1 partial ⚠️
internal/api/runners.go	87.09%	4 Missing ⚠️
internal/environment/abstract_manager.go	66.66%	2 Missing and 1 partial ⚠️
... and 12 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #586      +/-   ##
==========================================
- Coverage   76.92%   76.88%   -0.05%     
==========================================
  Files          41       41              
  Lines        3498     3491       -7     
==========================================
- Hits         2691     2684       -7     
- Misses        592      594       +2     
+ Partials      215      213       -2     

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[MrSerth]

Many thanks for this tedious work -- I think it is a really huge improvement! 👏

It's also great to see that you were creating so many commits, which made it rather easy for me to review the changes on a commit-by-commit bases. Also, the comments (especially when disabling a linter or on other decisions) were helpful. Overall, I reviewed all commits individually, and learned more about Golang linters during some web searchers 🙂