Update airbyte_cdk/sources/declarative/requesters/request_options/interpolated_request_options_provider.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: lmossman

airbyte_cdk/sources/declarative/requesters/request_options/interpolated_request_options_provider.py

@@ -100,7 +100,7 @@ def _resolve_request_body(self) -> None:
             if self.request_body.type == "RequestBodyUrlEncodedForm":
                 self.request_body_data = self.request_body.value
             elif self.request_body.type == "RequestBodyGraphQL":
-                self.request_body_json = self.request_body.value.dict()
+                self.request_body_json = self.request_body.value.dict(exclude_none=True)
             elif self.request_body.type in ("RequestBodyJsonObject", "RequestBodyPlainText"):
                 self.request_body_json = self.request_body.value
             else: