[#252] add filter priority to get_filtered_logs method

src/frostfs_testlib/hosting/docker_host.py

@@ -240,6 +240,7 @@ class DockerHost(Host):
         until: Optional[datetime] = None,
         unit: Optional[str] = None,
         exclude_filter: Optional[str] = None,
+        priority: Optional[str] = None
     ) -> str:
         client = self._get_docker_client()
         filtered_logs = ""