BUILD: add fast flag to lint

[eranra]

No description provided.

[eranra]

@amorenoz FYI

[ronensc]

I ran $(GOLANGCI_LINT) run --enable goimports --timeout 5m with the --verbose flag and found that it ran 11 linters:

INFO [lintersdb] Active 11 linters: [deadcode errcheck goimports gosimple govet ineffassign staticcheck structcheck typecheck unused varcheck]

adding the --fast flag reduces the linters to these 2:

INFO [lintersdb] Active 2 linters: [goimports ineffassign]

[eranra]

@ronensc I added golang version detections for 1.18 and change the code to run minimal linting only for 1.18. For other versions of golang (i.e. 1.17) we use regular linting. Over time when the community adds support for 1.18 we will remove this limitation.

[codecov-commenter]

Codecov Report

Merging #154 (e5de3ad) into main (6668d30) will decrease coverage by 0.37%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #154      +/-   ##
==========================================
- Coverage   58.46%   58.08%   -0.38%     
==========================================
  Files          51       51              
  Lines        2949     2949              
==========================================
- Hits         1724     1713      -11     
- Misses       1113     1123      +10     
- Partials      112      113       +1     

Flag	Coverage Δ
unittests	58.08% <ø> (-0.38%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/pipeline/utils/exit.go	52.17% <0.00%> (-47.83%)	⬇️

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