fix: added more logging to try_crumb_page (#141)

This might show why crumb is missing.

custom_components/yahoofinance/coordinator.py

@@ -209,9 +209,14 @@ async def try_crumb_page(self) -> str | None:
 
             if response.status == HTTPStatus.OK:
                 self.crumb = await response.text()
+                if not self.crumb:
+                    _LOGGER.error("No crumb reported")
+
                 _LOGGER.debug("Crumb page reported %s", self.crumb)
                 return self.crumb
 
+            _LOGGER.error("Crumb request responded with status=%d", response.status)
+
             if response.status == 429:
                 # Ideally we would want to use the seconds passed back in the header
                 # for 429 but there seems to be no such value.