refactor: update translation for "Image size" to improve clarity

Author: wxg0103

apps/locales/zh_CN/LC_MESSAGES/django.po

@@ -3728,7 +3728,7 @@ msgstr ""
 #: apps/models_provider/impl/xinference_model_provider/credential/tti.py:14
 #: apps/models_provider/impl/zhipu_model_provider/credential/tti.py:15
 msgid "Image size"
-msgstr "生成图像的宽高像素"
+msgstr "图片尺寸"
 
 #: apps/models_provider/impl/aliyun_bai_lian_model_provider/credential/tti.py:20
 #: apps/models_provider/impl/azure_model_provider/credential/tti.py:15

apps/locales/zh_Hant/LC_MESSAGES/django.po

@@ -3728,7 +3728,7 @@ msgstr ""
 #: apps/models_provider/impl/xinference_model_provider/credential/tti.py:14
 #: apps/models_provider/impl/zhipu_model_provider/credential/tti.py:15
 msgid "Image size"
-msgstr "生成图像的宽高像素"
+msgstr "图片尺寸"
 
 #: apps/models_provider/impl/aliyun_bai_lian_model_provider/credential/tti.py:20
 #: apps/models_provider/impl/azure_model_provider/credential/tti.py:15