Bump lodash from 4.17.15 to 4.17.20 in /samples/sample-app

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.15 to 4.17.20.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.15...4.17.20)

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

Author: dependabot[bot]

samples/sample-app/yarn.lock

@@ -625,9 +625,9 @@ lazy-cache@^1.0.3:
   integrity sha1-odePw6UEdMuAhF07O24dpJpEbo4=
 
 lodash@^4.17.15, lodash@^4.17.4:
-  version "4.17.15"
-  resolved "http://orig-stage.imagekit.io:2772/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
-  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
+  version "4.17.20"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
+  integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
 
 longest@^1.0.1:
   version "1.0.1"