Bump lodash in /test/execution-tests/2.8.1_option-context (TypeStrong#978)

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.4 to 4.17.15.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.4...4.17.15)

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

Author: dependabot[bot]

test/execution-tests/2.8.1_option-context/yarn.lock

@@ -861,8 +861,9 @@ locate-path@^2.0.0:
     path-exists "^3.0.0"
 
 lodash@^4.17.4:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+  version "4.17.15"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
+  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
 
 loose-envify@^1.0.0, loose-envify@^1.1.0, loose-envify@^1.3.1:
   version "1.3.1"