chore: update exporter (#25)

Author: achingbrain

package.json

@@ -47,7 +47,7 @@
     "cids": "~0.7.1",
     "detect-node": "^2.0.4",
     "dirty-chai": "^2.0.1",
-    "ipfs-unixfs-exporter": "0.36.1",
+    "ipfs-unixfs-exporter": "~0.37.0",
     "ipld": "~0.24.0",
     "ipld-in-memory": "^2.0.0",
     "multihashes": "~0.4.14",