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]

package-lock.json

@@ -18,7 +18,7 @@
         "@types/request": "^2.48.5",
         "@types/unzipper": "^0.10.3",
         "fstream": "^1.0.12",
-        "lodash": "^4.17.15",
+        "lodash": "^4.17.21",
         "minimist": "^1.2.5",
         "strip-json-comments": "^3.1.0",
         "to-markdown": "^3.1.1",