Update ark to 0.1.160 (#5902)

Updates the Ark version.

### Release Notes

#### New Features

- N/A

#### Bug Fixes

- Fixed S4 objects appearing as `??` in the Variables Pane (including
RSQlite connections) (#5685)
- Data Explorer: in R data, show `<empty>` instead of `[ ,i]` when
column name is empty (#3084)

### QA Notes

- N/A

extensions/positron-r/package.json

@@ -686,7 +686,7 @@
   },
   "positron": {
     "binaryDependencies": {
-      "ark": "0.1.159"
+      "ark": "0.1.160"
     },
     "minimumRVersion": "4.2.0",
     "minimumRenvVersion": "1.0.9"