Output to log if no conan_install_info.json was found

Contributes to CURA-9365

cura/CuraApplication.py

@@ -823,6 +823,8 @@ class CuraApplication(QtApplication):
         if len(ApplicationMetadata.DEPENDENCY_INFO) > 0:
             Logger.debug("Using Conan managed dependencies: " + ", ".join(
                 [dep["recipe"]["id"] for dep in ApplicationMetadata.DEPENDENCY_INFO["installed"] if dep["recipe"]["version"] != "latest"]))
+        else:
+            Logger.warning("Could not find conan_install_info.json")
 
         Logger.log("i", "Initializing machine error checker")
         self._machine_error_checker = MachineErrorChecker(self)