build: bump moment from 2.21.0 to 2.22.0 (#1239)

Bumps [moment](https://github.com/moment/moment) from 2.21.0 to 2.22.0.
- [Release notes](https://github.com/moment/moment/releases)
- [Changelog](https://github.com/moment/moment/blob/develop/CHANGELOG.md)
- [Commits](https://github.com/moment/moment/compare/2.21.0...2.22.0)

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

package.json

@@ -50,7 +50,7 @@
     "keytar": "^4.2.1",
     "localforage": "^1.5.0",
     "mixpanel-browser": "^2.17.1",
-    "moment": "^2.20.1",
+    "moment": "^2.22.0",
     "qrcode.react": "^0.8.0",
     "rc-progress": "^2.0.6",
     "react": "^16.2.0",

yarn.lock

@@ -6112,9 +6112,9 @@ modify-filename@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/modify-filename/-/modify-filename-1.1.0.tgz#9a2dec83806fbb2d975f22beec859ca26b393aa1"
 
-moment@^2.20.1:
-  version "2.21.0"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.21.0.tgz#2a114b51d2a6ec9e6d83cf803f838a878d8a023a"
+moment@^2.22.0:
+  version "2.22.0"
+  resolved "https://registry.yarnpkg.com/moment/-/moment-2.22.0.tgz#7921ade01017dd45186e7fee5f424f0b8663a730"
 
 move-concurrently@^1.0.1:
   version "1.0.1"