Bump date-fns from 2.21.1 to 2.22.1

Bumps [date-fns](https://github.com/date-fns/date-fns) from 2.21.1 to 2.22.1.
- [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/v2.21.1...v2.22.1)

---
updated-dependencies:
- dependency-name: date-fns
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

package-lock.json

@@ -4416,9 +4416,9 @@
       }
     },
     "date-fns": {
-      "version": "2.21.1",
-      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-2.21.1.tgz",
-      "integrity": "sha512-m1WR0xGiC6j6jNFAyW4Nvh4WxAi4JF4w9jRJwSI8nBmNcyZXPcP9VUQG+6gHQXAmqaGEKDKhOqAtENDC941UkA=="
+      "version": "2.22.1",
+      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-2.22.1.tgz",
+      "integrity": "sha512-yUFPQjrxEmIsMqlHhAhmxkuH769baF21Kk+nZwZGyrMoyLA+LugaQtC0+Tqf9CBUUULWwUJt6Q5ySI3LJDDCGg=="
     },
     "debug": {
       "version": "4.3.1",

package.json

@@ -60,7 +60,7 @@
     "classlist.js": "https://github.com/eligrey/classList.js/archive/1.2.20180112.tar.gz",
     "classnames": "^2.3.1",
     "core-js": "^3.14.0",
-    "date-fns": "^2.21.1",
+    "date-fns": "^2.22.1",
     "epubjs": "^0.3.85",
     "fast-text-encoding": "^1.0.3",
     "flv.js": "^1.5.0",