chore: add missing dep, pump

Author: daviddias

package.json

@@ -108,14 +108,14 @@
     "ipfs-repo": "~0.25.0",
     "ipfs-unixfs": "~0.1.16",
     "ipfs-unixfs-engine": "~0.33.0",
-    "ipld-dag-pb": "~0.14.11",
-    "ipns": "~0.3.0",
     "ipld": "~0.19.1",
     "ipld-bitcoin": "~0.1.8",
+    "ipld-dag-pb": "~0.14.11",
     "ipld-ethereum": "^2.0.1",
     "ipld-git": "~0.2.2",
     "ipld-raw": "^2.0.1",
     "ipld-zcash": "~0.1.6",
+    "ipns": "~0.3.0",
     "is-ipfs": "~0.4.7",
     "is-pull-stream": "~0.0.0",
     "is-stream": "^1.1.0",
@@ -159,6 +159,7 @@
     "pull-stream": "^3.6.9",
     "pull-stream-to-stream": "^1.3.4",
     "pull-zip": "^2.0.1",
+    "pump": "^3.0.0",
     "read-pkg-up": "^4.0.0",
     "readable-stream": "3.0.6",
     "receptacle": "^1.3.2",