feats:replace GLM-4v authentication headers to support customize api key

relay/channel/zhipu_4v/adaptor.go

@@ -54,8 +54,7 @@ func (a *Adaptor) GetRequestURL(info *relaycommon.RelayInfo) (string, error) {
 
 func (a *Adaptor) SetupRequestHeader(c *gin.Context, req *http.Header, info *relaycommon.RelayInfo) error {
 	channel.SetupApiRequestHeader(info, c, req)
-	token := getZhipuToken(info.ApiKey)
-	req.Set("Authorization", token)
+	req.Set("Authorization", "Bearer "+info.ApiKey)
 	return nil
 }