chore: upgrade aegir and interface-ipfs-core dependencies (#1434)

* chore: upgrade aegir and interface-ipfs-core dependencies

License: MIT
Signed-off-by: Alan Shaw <[email protected]>

* chore: use tilde for < 1.0.0

License: MIT
Signed-off-by: Alan Shaw <[email protected]>

Author: alanshaw

package.json

@@ -57,7 +57,7 @@
   },
   "homepage": "https://github.com/ipfs/js-ipfs#readme",
   "devDependencies": {
-    "aegir": "^14.0.0",
+    "aegir": "^15.0.0",
     "buffer-loader": "~0.0.1",
     "chai": "^4.1.2",
     "delay": "^3.0.0",
@@ -69,7 +69,7 @@
     "expose-loader": "~0.7.5",
     "form-data": "^2.3.2",
     "hat": "0.0.3",
-    "interface-ipfs-core": "~0.71.0",
+    "interface-ipfs-core": "~0.72.0",
     "ipfsd-ctl": "~0.37.5",
     "mocha": "^5.2.0",
     "ncp": "^2.0.0",