use go standard errors

[mmorel-35]

What type of PR is this?

• chore: use go standard errors and enable errorlint

What this PR does / why we need it:
github.com/pkg/errors is not maintained and can be replaced by go standard errors

Which issue(s) this PR fixes:

[codecov]

Codecov Report

Attention: 54 lines in your changes are missing coverage. Please review.

Comparison is base (6268983) 64.64% compared to head (229e234) 64.62%.

Files	Patch %	Lines
internal/provider/kubernetes/controller.go	8.33%	11 Missing ⚠️
internal/infrastructure/kubernetes/infra.go	10.00%	9 Missing ⚠️
internal/xds/translator/jsonpatch.go	0.00%	8 Missing ⚠️
internal/cmd/egctl/envoy_stats.go	0.00%	6 Missing ⚠️
internal/provider/kubernetes/routes.go	0.00%	5 Missing ⚠️
internal/cmd/certgen.go	0.00%	4 Missing ⚠️
internal/infrastructure/kubernetes/infra_client.go	0.00%	2 Missing ⚠️
internal/provider/kubernetes/filters.go	0.00%	2 Missing ⚠️
internal/xds/translator/tracing.go	0.00%	2 Missing ⚠️
internal/cmd/egctl/version.go	0.00%	1 Missing ⚠️
... and 4 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2382      +/-   ##
==========================================
- Coverage   64.64%   64.62%   -0.02%     
==========================================
  Files         114      114              
  Lines       16618    16618              
==========================================
- Hits        10742    10740       -2     
- Misses       5197     5199       +2     
  Partials      679      679              

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[zhaohuabing]

LGTM. Thanks!

[mmorel-35]

The conflicts are resolved now