chore(deps): update dependency typescript to ^3.5.3 (#20)

Author: renovate[bot]

package.json

@@ -60,7 +60,7 @@
     "semantic-release": "^15.13.3",
     "ts-node": "^8.1.0",
     "tslint": "^5.18.0",
-    "typescript": "^3.4.5"
+    "typescript": "^3.5.3"
   },
   "dependencies": {
     "@sourcegraph/extension-api-classes": "^1.0.2",

yarn.lock

@@ -5574,10 +5574,10 @@ typedarray@^0.0.6:
   resolved "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@^3.4.5:
-  version "3.4.5"
-  resolved "https://registry.npmjs.org/typescript/-/typescript-3.4.5.tgz#2d2618d10bb566572b8d7aad5180d84257d70a99"
-  integrity sha512-YycBxUb49UUhdNMU5aJ7z5Ej2XGmaIBL0x34vZ82fn3hGvD+bgrMrVDpatgz2f7YxUMJxMkbWxJZeAvDxVe7Vw==
+typescript@^3.5.3:
+  version "3.5.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.5.3.tgz#c830f657f93f1ea846819e929092f5fe5983e977"
+  integrity sha512-ACzBtm/PhXBDId6a6sDJfroT2pOWt/oOnk4/dElG5G33ZL776N3Y6/6bKZJBFpd+b05F3Ct9qDjMeJmRWtE2/g==
 
 uglify-js@^3.1.4:
   version "3.5.6"