fix: update vulnerable pack 'deep-extend' and OOD deps

* Update deep-extend to latest version as vulnerability has been patched
* Update balance-match to latest version to not be out of date
* Update dotenv to latest version to not be out of date

Signed-off-by: Danny Grove <danny@drgrovellc.com>

Author: drGrove

package.json

@@ -44,11 +44,11 @@
     "url": "https://github.com/db-migrate/node-db-migrate.git"
   },
   "dependencies": {
-    "balanced-match": "^0.4.2",
+    "balanced-match": "^1.0.0",
     "bluebird": "^3.1.1",
     "db-migrate-shared": "^1.2.0",
-    "deep-extend": "^0.5.0",
-    "dotenv": "^2.0.0",
+    "deep-extend": "^0.5.1",
+    "dotenv": "^5.0.1",
     "final-fs": "^1.6.0",
     "inflection": "^1.10.0",
     "mkdirp": "~0.5.0",