deps: bump uint8arrays from 3.1.1 to 4.0.2 (#78)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -163,7 +163,7 @@
     "interface-datastore": "^7.0.0",
     "it-filter": "^1.0.2",
     "it-to-buffer": "^2.0.0",
-    "uint8arrays": "^3.0.0"
+    "uint8arrays": "^4.0.2"
   },
   "devDependencies": {
     "aegir": "^37.5.1",