chore: update golang (to 1.20.x) and golangci-linter (#1388)

Signed-off-by: Ramkumar Chinchani <rchincha@cisco.com>

pkg/debug/swagger/swagger.go

@@ -21,7 +21,7 @@ func SetupSwaggerRoutes(conf *config.Config, router *mux.Router, authFunc mux.Mi
 	log log.Logger,
 ) {
 	log.Info().Msg("setting up swagger route")
-	// swagger swagger "/swagger/v2/index.html"
+	// swagger "/swagger/v2/index.html"
 	swgRouter := router.PathPrefix("/swagger/v2/").Subrouter()
 	swgRouter.Use(authFunc)
 	swgRouter.Methods("GET").Handler(httpSwagger.WrapHandler)

pkg/debug/swagger/swagger_disabled.go

@@ -11,15 +11,14 @@ import (
 	"github.com/gorilla/mux"
 
 	"zotregistry.io/zot/pkg/api/config"
-	"zotregistry.io/zot/pkg/log" //nolint:goimports
-	// as required by swaggo.
+	"zotregistry.io/zot/pkg/log"
 	_ "zotregistry.io/zot/swagger"
 )
 
 func SetupSwaggerRoutes(conf *config.Config, router *mux.Router, authFunc mux.MiddlewareFunc,
 	log log.Logger,
 ) {
-	// swagger swagger "/swagger/v2/index.html"
+	// swagger "/swagger/v2/index.html"
 	log.Warn().Msg("skipping enabling swagger because given zot binary " +
 		"doesn't include this feature, please build a binary that does so")
 }