Bump typescript from 3.7.5 to 3.8.3

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.7.5 to 3.8.3.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](https://github.com/Microsoft/TypeScript/compare/v3.7.5...v3.8.3)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package-lock.json

@@ -8531,9 +8531,9 @@
             }
         },
         "typescript": {
-            "version": "3.7.5",
-            "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.7.5.tgz",
-            "integrity": "sha512-/P5lkRXkWHNAbcJIiHPfRoKqyd7bsyCma1hZNUGfn20qm64T6ZBlrzprymeu918H+mB/0rIg2gGK/BXkhhYgBw==",
+            "version": "3.8.3",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.8.3.tgz",
+            "integrity": "sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==",
             "dev": true
         },
         "underscore": {

package.json

@@ -45,6 +45,6 @@
         "jest-circus": "^25.1.0",
         "mock-env": "^0.2.0",
         "ts-jest": "^25.0.0",
-        "typescript": "^3.7.5"
+        "typescript": "^3.8.3"
     }
 }