Bump lodash from 4.17.15 to 4.17.19

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.15 to 4.17.19.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.15...4.17.19)

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

packages/core/package.json

@@ -13,7 +13,7 @@
     "@bugsnag/js": "6.5.2",
     "bugsnag": "^2.4.3",
     "delay": "^4.3.0",
-    "lodash": "^4.17.15",
+    "lodash": "^4.17.19",
     "mongoose": "^5.7.3",
     "pino": "6.0.0",
     "pino-elasticsearch": "4.4.0",

packages/shared/package.json

@@ -6,6 +6,6 @@
     "@0x/subproviders": "^5.0.4",
     "@0x/utils": "^4.5.2",
     "@0x/web3-wrapper": "^6.0.13",
-    "lodash": "^4.17.15"
+    "lodash": "^4.17.19"
   }
 }

yarn.lock

@@ -7952,9 +7952,14 @@ [email protected]:
   integrity sha512-mmKYbW3GLuJeX+iGP+Y7Gp1AiGHGbXHCOh/jZmrawMmsE7MS4znI3RL2FsjbqOyMayHInjOeykW7PEajUk1/xw==
 
 lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.4:
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
-  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
+  version "4.17.20"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
+  integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
+
+lodash@^4.17.19:
+  version "4.17.19"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
+  integrity sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==
 
 log-symbols@^1.0.2:
   version "1.0.2"