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] <support@github.com>

package.json

@@ -35,12 +35,12 @@
     "durationjs": "github:matthewturner/durationjs#v1.2.0",
     "extend": ">=3.0.2",
     "fs": "^0.0.2",
-    "lodash": "^4.17.15",
     "moment": "^2.29.4",
+    "lodash": "^4.17.21",
     "request": "^2.88.0",
     "request-promise": "^4.2.4",
     "smartheat-aws": "github:matthewturner/smartheat-aws#v1.1.0",
     "smartheat-clients": "github:matthewturner/smartheat-clients#v1.3.0",
     "smartheat-core": "github:matthewturner/smartheat-core#v1.1.0"
   }
-}
+}