Bump golangci-lint to v1.24.0, linter fixes and general code improvements (#478)

* Bump golangci-lint version, update Go version deps and generic code improvements

* Fix wesbocket resp nil check and zip closures

* Update pprof path

database/repository/audit/audit_test.go

@@ -40,7 +40,7 @@ func TestAudit(t *testing.T) {
 		name   string
 		config *database.Config
 		runner func(t *testing.T)
-		closer func(dbConn *database.Db) error
+		closer func(dbConn *database.Instance) error
 		output interface{}
 	}{
 		{

database/repository/script/script_test.go

@@ -41,7 +41,7 @@ func TestScript(t *testing.T) {
 		name   string
 		config *database.Config
 		runner func()
-		closer func(dbConn *database.Db) error
+		closer func(dbConn *database.Instance) error
 		output interface{}
 	}{
 		{

database/repository/withdraw/withdraw.go

@@ -20,6 +20,7 @@ import (
 )
 
 var (
+	// ErrNoResults is the error returned if no results are found
 	ErrNoResults = errors.New("no results found")
 )
 

database/repository/withdraw/withdraw_test.go

@@ -45,7 +45,7 @@ func TestWithdraw(t *testing.T) {
 		name   string
 		config *database.Config
 		runner func(t *testing.T)
-		closer func(dbConn *database.Db) error
+		closer func(dbConn *database.Instance) error
 		output interface{}
 	}{
 		{