chore: update deps

Author: jacobheun

package.json

@@ -34,17 +34,17 @@
   },
   "homepage": "https://github.com/ipfs/js-datastore-core#readme",
   "devDependencies": {
-    "aegir": "^12.1.3",
+    "aegir": "^15.2.0",
     "chai": "^4.1.2",
     "dirty-chai": "^2.0.1",
-    "flow-bin": "^0.58.0"
+    "flow-bin": "~0.81.0"
   },
   "dependencies": {
-    "async": "^2.5.0",
-    "interface-datastore": "~0.4.0",
-    "left-pad": "^1.1.3",
+    "async": "^2.6.1",
+    "interface-datastore": "~0.5.0",
+    "left-pad": "^1.3.0",
     "pull-many": "^1.0.8",
-    "pull-stream": "^3.6.1"
+    "pull-stream": "^3.6.9"
   },
   "engines": {
     "node": ">=6.0.0",