fix: package.json & yarn.lock to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-LODASH-608086

package.json

@@ -14,7 +14,7 @@
     "@oclif/plugin-not-found": "^1.2.2",
     "@oclif/plugin-warn-if-update-available": "^1.5.4",
     "debug": "^4.1.1",
-    "lodash": "^4.17.11",
+    "lodash": "^4.17.17",
     "nps-utils": "^1.7.0",
     "sort-pjson": "^1.0.3",
     "tslib": "^1.9.3",

yarn.lock

@@ -2947,6 +2947,11 @@ lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.12, lodash@^4.17.13, lodash@^4.17
   resolved "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
   integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
 
+lodash@^4.17.17:
+  version "4.17.20"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
+  integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
+
 log-symbols@^2.2.0:
   version "2.2.0"
   resolved "https://registry.npmjs.org/log-symbols/-/log-symbols-2.2.0.tgz#5740e1c5d6f0dfda4ad9323b5332107ef6b4c40a"