chore(deps): update dependency typescript to v3.4.3

Author: renovate-bot

package.json

@@ -119,7 +119,7 @@
     "testdouble": "3.11.0",
     "tmp": "0.1.0",
     "ts-node": "8.0.3",
-    "typescript": "3.4.2",
+    "typescript": "3.4.3",
     "typescript-eslint-parser": "21.0.2"
   },
   "resolutions": {

yarn.lock

@@ -13482,10 +13482,10 @@ typescript-estree@5.3.0:
     lodash.unescape "4.0.1"
     semver "5.5.0"
 
-typescript@3.4.2:
-  version "3.4.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.4.2.tgz#9ed4e6475d906f589200193be056f5913caed481"
-  integrity sha512-Og2Vn6Mk7JAuWA1hQdDQN/Ekm/SchX80VzLhjKN9ETYrIepBFAd8PkOdOTK2nKt0FCkmMZKBJvQ1dV1gIxPu/A==
+typescript@3.4.3:
+  version "3.4.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.4.3.tgz#0eb320e4ace9b10eadf5bc6103286b0f8b7c224f"
+  integrity sha512-FFgHdPt4T/duxx6Ndf7hwgMZZjZpB+U0nMNGVCYPq0rEzWKjEDobm4J6yb3CS7naZ0yURFqdw9Gwc7UOh/P9oQ==
 
 uc.micro@^1.0.0, uc.micro@^1.0.1, uc.micro@^1.0.5:
   version "1.0.6"