Enable addtional linters (#34085)

enable mirror, usestdlibbars and perfsprint 
part of: https://github.com/go-gitea/gitea/issues/34083

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

routers/web/user/setting/account.go

@@ -6,7 +6,6 @@ package setting
 
 import (
 	"errors"
-	"fmt"
 	"net/http"
 	"time"
 
@@ -37,7 +36,7 @@ const (
 // Account renders change user's password, user's email and user suicide page
 func Account(ctx *context.Context) {
 	if user_model.IsFeatureDisabledWithLoginType(ctx.Doer, setting.UserFeatureManageCredentials, setting.UserFeatureDeletion) && !setting.Service.EnableNotifyMail {
-		ctx.NotFound(fmt.Errorf("account setting are not allowed to be changed"))
+		ctx.NotFound(errors.New("account setting are not allowed to be changed"))
 		return
 	}
 
@@ -54,7 +53,7 @@ func Account(ctx *context.Context) {
 // AccountPost response for change user's password
 func AccountPost(ctx *context.Context) {
 	if user_model.IsFeatureDisabledWithLoginType(ctx.Doer, setting.UserFeatureManageCredentials) {
-		ctx.NotFound(fmt.Errorf("password setting is not allowed to be changed"))
+		ctx.NotFound(errors.New("password setting is not allowed to be changed"))
 		return
 	}
 
@@ -105,7 +104,7 @@ func AccountPost(ctx *context.Context) {
 // EmailPost response for change user's email
 func EmailPost(ctx *context.Context) {
 	if user_model.IsFeatureDisabledWithLoginType(ctx.Doer, setting.UserFeatureManageCredentials) {
-		ctx.NotFound(fmt.Errorf("emails are not allowed to be changed"))
+		ctx.NotFound(errors.New("emails are not allowed to be changed"))
 		return
 	}
 
@@ -239,7 +238,7 @@ func EmailPost(ctx *context.Context) {
 // DeleteEmail response for delete user's email
 func DeleteEmail(ctx *context.Context) {
 	if user_model.IsFeatureDisabledWithLoginType(ctx.Doer, setting.UserFeatureManageCredentials) {
-		ctx.NotFound(fmt.Errorf("emails are not allowed to be changed"))
+		ctx.NotFound(errors.New("emails are not allowed to be changed"))
 		return
 	}
 	email, err := user_model.GetEmailAddressByID(ctx, ctx.Doer.ID, ctx.FormInt64("id"))

routers/web/user/setting/keys.go

@@ -5,7 +5,7 @@
 package setting
 
 import (
-	"fmt"
+	"errors"
 	"net/http"
 
 	asymkey_model "code.gitea.io/gitea/models/asymkey"
@@ -26,7 +26,7 @@ const (
 // Keys render user's SSH/GPG public keys page
 func Keys(ctx *context.Context) {
 	if user_model.IsFeatureDisabledWithLoginType(ctx.Doer, setting.UserFeatureManageSSHKeys, setting.UserFeatureManageGPGKeys) {
-		ctx.NotFound(fmt.Errorf("keys setting is not allowed to be changed"))
+		ctx.NotFound(errors.New("keys setting is not allowed to be changed"))
 		return
 	}
 
@@ -87,7 +87,7 @@ func KeysPost(ctx *context.Context) {
 		ctx.Redirect(setting.AppSubURL + "/user/settings/keys")
 	case "gpg":
 		if user_model.IsFeatureDisabledWithLoginType(ctx.Doer, setting.UserFeatureManageGPGKeys) {
-			ctx.NotFound(fmt.Errorf("gpg keys setting is not allowed to be visited"))
+			ctx.NotFound(errors.New("gpg keys setting is not allowed to be visited"))
 			return
 		}
 
@@ -168,7 +168,7 @@ func KeysPost(ctx *context.Context) {
 		ctx.Redirect(setting.AppSubURL + "/user/settings/keys")
 	case "ssh":
 		if user_model.IsFeatureDisabledWithLoginType(ctx.Doer, setting.UserFeatureManageSSHKeys) {
-			ctx.NotFound(fmt.Errorf("ssh keys setting is not allowed to be visited"))
+			ctx.NotFound(errors.New("ssh keys setting is not allowed to be visited"))
 			return
 		}
 
@@ -212,7 +212,7 @@ func KeysPost(ctx *context.Context) {
 		ctx.Redirect(setting.AppSubURL + "/user/settings/keys")
 	case "verify_ssh":
 		if user_model.IsFeatureDisabledWithLoginType(ctx.Doer, setting.UserFeatureManageSSHKeys) {
-			ctx.NotFound(fmt.Errorf("ssh keys setting is not allowed to be visited"))
+			ctx.NotFound(errors.New("ssh keys setting is not allowed to be visited"))
 			return
 		}
 
@@ -249,7 +249,7 @@ func DeleteKey(ctx *context.Context) {
 	switch ctx.FormString("type") {
 	case "gpg":
 		if user_model.IsFeatureDisabledWithLoginType(ctx.Doer, setting.UserFeatureManageGPGKeys) {
-			ctx.NotFound(fmt.Errorf("gpg keys setting is not allowed to be visited"))
+			ctx.NotFound(errors.New("gpg keys setting is not allowed to be visited"))
 			return
 		}
 		if err := asymkey_model.DeleteGPGKey(ctx, ctx.Doer, ctx.FormInt64("id")); err != nil {
@@ -259,7 +259,7 @@ func DeleteKey(ctx *context.Context) {
 		}
 	case "ssh":
 		if user_model.IsFeatureDisabledWithLoginType(ctx.Doer, setting.UserFeatureManageSSHKeys) {
-			ctx.NotFound(fmt.Errorf("ssh keys setting is not allowed to be visited"))
+			ctx.NotFound(errors.New("ssh keys setting is not allowed to be visited"))
 			return
 		}