Updates dateformat to newer version

package.json

@@ -112,7 +112,7 @@
     "d3-sankey": "^0.12.3",
     "d3-scale": "^2.2.2",
     "d3-selection": "^1.2.0",
-    "dateformat": "^3.0.3",
+    "dateformat": "^4.5.1",
     "deckar01-task_list": "^2.3.1",
     "diff": "^3.4.0",
     "document-register-element": "1.14.3",

yarn.lock

@@ -4164,10 +4164,10 @@ date-now@^0.1.4:
   resolved "https://registry.yarnpkg.com/date-now/-/date-now-0.1.4.tgz#eaf439fd4d4848ad74e5cc7dbef200672b9e345b"
   integrity sha1-6vQ5/U1ISK105cx9vvIAZyueNFs=
 
-dateformat@^3.0.3:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-3.0.3.tgz#a6e37499a4d9a9cf85ef5872044d62901c9889ae"
-  integrity sha512-jyCETtSl3VMZMWeRo7iY1FL19ges1t55hMo5yaam4Jrsm5EPL89UQkoQRyiI+Yf4k8r2ZpdngkV8hr1lIdjb3Q==
+dateformat@^4.5.1:
+  version "4.5.1"
+  resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-4.5.1.tgz#c20e7a9ca77d147906b6dc2261a8be0a5bd2173c"
+  integrity sha512-OD0TZ+B7yP7ZgpJf5K2DIbj3FZvFvxgFUuaqA/V5zTjAtAAXZ1E8bktHxmAGs4x5b7PflqA9LeQ84Og7wYtF7Q==
 
 de-indent@^1.0.2:
   version "1.0.2"