Fix problems signaled by new linter version v1.45.2

PR (linter: upgrade linter version #405) triggered lint job which failed
with many errors generated by various linters. Configurations were added to
golangcilint.yaml and several refactorings were made in order to improve the
results of the linter.

maintidx linter disabled

Signed-off-by: Alex Stan <alexandrustan96@yahoo.ro>

pkg/extensions/search/resolver.go

@@ -9,7 +9,7 @@ import (
 	"strings"
 
 	godigest "github.com/opencontainers/go-digest"
-	"zotregistry.io/zot/pkg/log"
+	"zotregistry.io/zot/pkg/log" // nolint: gci
 
 	"zotregistry.io/zot/pkg/extensions/search/common"
 	cveinfo "zotregistry.io/zot/pkg/extensions/search/cve"
@@ -247,7 +247,8 @@ func (r *queryResolver) ImageListForCve(ctx context.Context, cvid string) ([]*Im
 }
 
 func (r *queryResolver) getImageListForCVE(repoList []string, cvid string, imgStore storage.ImageStore,
-	trivyCtx *cveinfo.TrivyCtx) ([]*ImgResultForCve, error) {
+	trivyCtx *cveinfo.TrivyCtx,
+) ([]*ImgResultForCve, error) {
 	cveResult := []*ImgResultForCve{}
 
 	for _, repo := range repoList {
@@ -270,7 +271,7 @@ func (r *queryResolver) getImageListForCVE(repoList []string, cvid string, imgSt
 	return cveResult, nil
 }
 
-func (r *queryResolver) ImageListWithCVEFixed(ctx context.Context, cvid string, image string) (*ImgResultForFixedCve, error) { // nolint: lll
+func (r *queryResolver) ImageListWithCVEFixed(ctx context.Context, cvid, image string) (*ImgResultForFixedCve, error) { // nolint: lll
 	imgResultForFixedCVE := &ImgResultForFixedCve{}
 
 	r.log.Info().Str("image", image).Msg("extracting list of tags available in image")
@@ -396,7 +397,8 @@ func (r *queryResolver) ImageListForDigest(ctx context.Context, digestID string)
 }
 
 func (r *queryResolver) getImageListForDigest(repoList []string,
-	digest string) ([]*ImgResultForDigest, error) {
+	digest string,
+) ([]*ImgResultForDigest, error) {
 	imgResultForDigest := []*ImgResultForDigest{}
 
 	var errResult error