chore: signozlogspipelineprocessor: use jsoniter for parsing body JSON

processor/signozlogspipelineprocessor/stanza/entry/body_field.go

@@ -6,6 +6,7 @@ import (
  "encoding/json"
  "fmt"
 
+ jsoniter "github.com/json-iterator/go"
  "github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza/entry"
 )
 
@@ -83,7 +84,7 @@ func parseBodyJson(entry *entry.Entry) map[string]any {
 
  if hasBytes {
  var parsedBody map[string]any
- err := json.Unmarshal(bodyBytes, &parsedBody)
+ err := jsoniter.ConfigFastest.Unmarshal(bodyBytes, &parsedBody)
  if err == nil {
  // Attributes keys starting with InternalTempAttributePrefix
  // get ignored when entries are converted back to plog.Logs