Migrate to use jsoniter instead of encoding/json (#14841)

* Migrate to use jsoniter

* fix tests

* update gitea.com/go-chi/binding

Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: 6543 <6543@obermui.de>

modules/indexer/code/elastic_search.go

@@ -6,7 +6,6 @@ package code
 
 import (
 	"context"
-	"encoding/json"
 	"fmt"
 	"strconv"
 	"strings"
@@ -22,6 +21,7 @@ import (
 	"code.gitea.io/gitea/modules/timeutil"
 
 	"github.com/go-enry/go-enry/v2"
+	jsoniter "github.com/json-iterator/go"
 	"github.com/olivere/elastic/v7"
 )
 
@@ -300,6 +300,7 @@ func convertResult(searchResult *elastic.SearchResult, kw string, pageSize int)
 
 		repoID, fileName := parseIndexerID(hit.Id)
 		var res = make(map[string]interface{})
+		json := jsoniter.ConfigCompatibleWithStandardLibrary
 		if err := json.Unmarshal(hit.Source, &res); err != nil {
 			return 0, nil, nil, err
 		}