Bump lodash from 4.17.15 to 4.17.21

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.15 to 4.17.21.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.15...4.17.21)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

yarn.lock

@@ -8450,12 +8450,7 @@ lodash.values@~2.3.0:
   dependencies:
     lodash.keys "~2.3.0"
 
-lodash@^4.0.0, lodash@^4.16.6, lodash@^4.17.13, lodash@^4.17.14:
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
-  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
-
-lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.20, lodash@^4.17.4:
+lodash@^4.0.0, lodash@^4.16.6, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.20, lodash@^4.17.4:
   version "4.17.21"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
   integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
@@ -10955,7 +10950,6 @@ [email protected]:
 
 "test-generator-plugin@link:./tests/dummy/lib/test-generator-plugin":
   version "0.0.0"
-  uid ""
 
 testem@^2.14.0:
   version "2.17.0"