Add backend refresh() method

qiskit_ibm_runtime/ibm_backend.py

@@ -357,6 +357,12 @@ def target_history(self, datetime: Optional[python_datetime] = None) -> Target:
         self._convert_to_target(refresh=True)
         return self._target
 
+    def refresh(self) -> None:
+        """Refresh the current backend target"""
+        self._get_properties(datetime=python_datetime.now())
+        self._get_defaults()
+        self._convert_to_target(refresh=True)
+
     def properties(
         self, refresh: bool = False, datetime: Optional[python_datetime] = None
     ) -> Optional[BackendProperties]:

release-notes/unreleased/1955.feat.rst

@@ -0,0 +1,2 @@
+Added a new method, ``backend.refresh()`` that refreshes the
+current backend target with the latest updates from the server.