Change ModuleNotFoundError to ImportError

THat's what you get from developing with Python 3.6 instead of 3.5

plugins/SentryLogger/SentryLogger.py

@@ -5,7 +5,7 @@ from UM.Logger import LogOutput
 from typing import Set
 try:
     from sentry_sdk import add_breadcrumb
-except ModuleNotFoundError:
+except ImportError:
     pass
 from typing import Optional
 import os

plugins/SentryLogger/__init__.py

@@ -4,7 +4,7 @@ from typing import TYPE_CHECKING, Dict, Any
 try:
     import sentry_sdk
     has_sentry = True
-except ModuleNotFoundError:
+except ImportError:
     has_sentry = False
 
 from . import SentryLogger