Bump moment from 2.26.0 to 2.29.4

Bumps [moment](https://github.com/moment/moment) from 2.26.0 to 2.29.4.
- [Release notes](https://github.com/moment/moment/releases)
- [Changelog](https://github.com/moment/moment/blob/develop/CHANGELOG.md)
- [Commits](moment/moment@2.26.0...2.29.4)

---
updated-dependencies:
- dependency-name: moment
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package.json

@@ -15,7 +15,7 @@
     "lodash.flatmap": "^4.5.0",
     "lodash.get": "^4.4.2",
     "meteor-node-stubs": "~1.0.0",
-    "moment": "^2.26.0",
+    "moment": "^2.29.4",
     "normalize.css": "^8.0.1",
     "prop-types": "^15.7.2",
     "react": "^16.13.1",

yarn.lock

@@ -2802,10 +2802,10 @@ mocha@^6.2.2:
     yargs-parser "13.1.2"
     yargs-unparser "1.6.0"
 
-moment@^2.26.0:
-  version "2.26.0"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.26.0.tgz#5e1f82c6bafca6e83e808b30c8705eed0dcbd39a"
-  integrity sha512-oIixUO+OamkUkwjhAVE18rAMfRJNsNe/Stid/gwHSOfHrOtw9EhAY2AHvdKZ/k/MggcYELFCJz/Sn2pL8b8JMw==
+moment@^2.29.4:
+  version "2.29.4"
+  resolved "https://registry.yarnpkg.com/moment/-/moment-2.29.4.tgz#3dbe052889fe7c1b2ed966fcb3a77328964ef108"
+  integrity sha512-5LC9SOxjSc2HF6vO2CyuTDNivEdoz2IvyJJGj6X8DJ0eFyfszE0QiEd+iXmBvUP3WHxSjFH/vIsA0EN00cgr8w==
 
 mongo-object@^0.1.4:
   version "0.1.4"