Bump lodash from 4.17.4 to 4.17.19 in /website

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.4 to 4.17.19.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.4...4.17.19)

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

website/yarn.lock

@@ -1209,8 +1209,8 @@ jsprim@^1.2.2:
     verror "1.10.0"
 
 lodash@^4.17.4:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+  version "4.17.19"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
 
 loose-envify@^1.0.0, loose-envify@^1.1.0, loose-envify@^1.3.1:
   version "1.3.1"