Bump date-fns from 1.30.1 to 2.15.0

Bumps [date-fns](https://github.com/date-fns/date-fns) from 1.30.1 to 2.15.0.
- [Release notes](https://github.com/date-fns/date-fns/releases)
- [Changelog](https://github.com/date-fns/date-fns/blob/master/CHANGELOG.md)
- [Commits](https://github.com/date-fns/date-fns/compare/v1.30.1...v2.15.0)

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -28,7 +28,7 @@
     "chart.js": "^2.7.1",
     "classnames": "^2.2.6",
     "cross-env": "^5.2.0",
-    "date-fns": "^1.30.1",
+    "date-fns": "^2.15.0",
     "eslint": "^7.6.0",
     "eslint-config-prettier": "^6.11.0",
     "eslint-plugin-jquery": "^1.5.1",

yarn.lock

@@ -2562,11 +2562,16 @@ d@1, d@^1.0.1:
     es5-ext "^0.10.50"
     type "^1.0.1"
 
-date-fns@^1.27.2, date-fns@^1.30.1:
+date-fns@^1.27.2:
   version "1.30.1"
   resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-1.30.1.tgz#2e71bf0b119153dbb4cc4e88d9ea5acfb50dc05c"
   integrity sha512-hBSVCvSmWC+QypYObzwGOd9wqdDpOt+0wl0KbU+R+uuZBS1jN8VsD1ss3irQDknRj5NvxiTF6oj/nDRnN/UQNw==
 
+date-fns@^2.15.0:
+  version "2.15.0"
+  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-2.15.0.tgz#424de6b3778e4e69d3ff27046ec136af58ae5d5f"
+  integrity sha512-ZCPzAMJZn3rNUvvQIMlXhDr4A+Ar07eLeGsGREoWU19a3Pqf5oYa+ccd+B3F6XVtQY6HANMFdOQ8A+ipFnvJdQ==
+
 debug@2.6.9, debug@^2.2.0, debug@^2.3.3:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"