feat: custom json marshaling implementation, replace json and yaml library (#89)

* chore: replace gopkg.in/yaml.v3 vs goccy/go-yaml; replace encoding/json with bytedance/sonic

* fix: yaml unmarshal panic

* feat: custom json marshaler implementation

* chore: fix import and err marshal handling

---------

Co-authored-by: yusing <yusing@6uo.me>

internal/watcher/health/monitor/agent_proxied.go

@@ -1,11 +1,12 @@
 package monitor
 
 import (
-	"encoding/json"
 	"errors"
 	"net/http"
 	"net/url"
 
+	"github.com/yusing/go-proxy/pkg/json"
+
 	agentPkg "github.com/yusing/go-proxy/agent/pkg/agent"
 	"github.com/yusing/go-proxy/internal/watcher/health"
 )

internal/watcher/health/status.go

@@ -1,6 +1,8 @@
 package health
 
-import "encoding/json"
+import (
+	"github.com/yusing/go-proxy/pkg/json"
+)
 
 type Status uint8
 
@@ -35,10 +37,6 @@ func (s Status) String() string {
 	}
 }
 
-func (s Status) MarshalJSON() ([]byte, error) {
-	return []byte(`"` + s.String() + `"`), nil
-}
-
 func (s *Status) UnmarshalJSON(data []byte) error {
 	var str string
 	if err := json.Unmarshal(data, &str); err != nil {