fix(deps): update dependency typescript to v3.7.3 (#124)

Author: renovate[bot]

package-lock.json

@@ -70,7 +70,7 @@
     "@angular-devkit/core": "8.3.20",
     "copyfiles": "2.1.1",
     "schematics-utilities": "2.0.0",
-    "typescript": "3.7.2"
+    "typescript": "3.7.3"
   },
   "keywords": [
     "nestjs",