Move wsgiref to TYPE_CHECKING

Author: Kludex

instrumentation/opentelemetry-instrumentation-wsgi/src/opentelemetry/instrumentation/wsgi/__init__.py

@@ -220,7 +220,6 @@ def response_hook(span: Span, environ: WSGIEnvironment, status: str, response_he
 import wsgiref.util as wsgiref_util
 from timeit import default_timer
 from typing import TYPE_CHECKING, Any, Callable, Iterable, TypeVar, cast
-from wsgiref.types import StartResponse
 
 from opentelemetry import context, trace
 from opentelemetry.instrumentation._semconv import (
@@ -274,7 +273,7 @@ def response_hook(span: Span, environ: WSGIEnvironment, status: str, response_he
 )
 
 if TYPE_CHECKING:
-    from wsgiref.types import WSGIApplication, WSGIEnvironment
+    from wsgiref.types import StartResponse, WSGIApplication, WSGIEnvironment
 
 
 T = TypeVar("T")