Update dependency timeago.js to v4

package.json

@@ -8,7 +8,7 @@
     "date-fns": "^1.30.1",
     "emotion": "^10.0.14",
     "hyperapp": "^2.0.1",
-    "timeago.js": "^3.0.2"
+    "timeago.js": "^4.0.0"
   },
   "devDependencies": {
     "babel-core": "6.26.3",

yarn.lock

@@ -97,10 +97,6 @@
   resolved "https://registry.yarnpkg.com/@emotion/weak-memoize/-/weak-memoize-0.2.3.tgz#dfa0c92efe44a1d1a7974fb49ffeb40ef2da5a27"
   integrity sha512-zVgvPwGK7c1aVdUVc9Qv7SqepOGRDrqCw7KZPSZziWGxSlbII3gmvGLPzLX4d0n0BMbamBacUrN22zOMyFFEkQ==
 
-"@types/jquery@^2.0.40":
-  version "2.0.48"
-  resolved "https://registry.yarnpkg.com/@types/jquery/-/jquery-2.0.48.tgz#3e90d8cde2d29015e5583017f7830cb3975b2eef"
-
 "@webassemblyjs/[email protected]":
   version "1.8.5"
   resolved "https://registry.yarnpkg.com/@webassemblyjs/ast/-/ast-1.8.5.tgz#51b1c5fe6576a34953bf4b253df9f0d490d9e359"
@@ -6655,11 +6651,10 @@ through@^2.3.6:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
-timeago.js@^3.0.2:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/timeago.js/-/timeago.js-3.0.2.tgz#32a67e7c0d887ea42ca588d3aae26f77de5e76cc"
-  dependencies:
-    "@types/jquery" "^2.0.40"
+timeago.js@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/timeago.js/-/timeago.js-4.0.0.tgz#2c9a47cbae7a893288ecaf81b44d09cd24d4f790"
+  integrity sha512-/0glwk8XNsTwOtYJPm0Au1ySLakU8yH8aNuV2EAN84qDjdvyTByX/GFq4qFr6Js4lO5HAIx5vCYvijghX/jj9A==
 
 timed-out@^4.0.0:
   version "4.0.1"