Fix volume error status message (#2806)

`dstack ps` used to show an incorrect error
message in case of volume errors.

Author: jvstme

src/dstack/_internal/core/models/runs.py

@@ -367,7 +367,7 @@ def _get_error(termination_reason: Optional[JobTerminationReason]) -> Optional[s
         error_mapping = {
             JobTerminationReason.INSTANCE_UNREACHABLE: "instance unreachable",
             JobTerminationReason.WAITING_INSTANCE_LIMIT_EXCEEDED: "waiting instance limit exceeded",
-            JobTerminationReason.VOLUME_ERROR: "waiting runner limit exceeded",
+            JobTerminationReason.VOLUME_ERROR: "volume error",
             JobTerminationReason.GATEWAY_ERROR: "gateway error",
             JobTerminationReason.SCALED_DOWN: "scaled down",
             JobTerminationReason.INACTIVITY_DURATION_EXCEEDED: "inactivity duration exceeded",