feat: add log date timezone (#4623)

Co-authored-by: liuzhenghua-jk <liuzhenghua-jk@360shuke.com>
Co-authored-by: crazywoola <100913391+crazywoola@users.noreply.github.com>
Co-authored-by: takatost <takatost@gmail.com>

api/configs/feature/__init__.py

@@ -165,6 +165,11 @@ class LoggingConfigs(BaseModel):
         default=None,
     )
 
+    LOG_TZ: Optional[str] = Field(
+        description='specify log timezone, eg: America/New_York',
+        default=None,
+    )
+
 
 class ModelLoadBalanceConfigs(BaseModel):
     """