Updates typescript dependency

package-lock.json

@@ -10065,9 +10065,9 @@
             "dev": true
         },
         "typescript": {
-            "version": "3.4.1",
-            "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.4.1.tgz",
-            "integrity": "sha512-3NSMb2VzDQm8oBTLH6Nj55VVtUEpe/rgkIzMir0qVoLyjDZlnMBva0U6vDiV3IH+sl/Yu6oP5QwsAQtHPmDd2Q==",
+            "version": "3.4.2",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.4.2.tgz",
+            "integrity": "sha512-Og2Vn6Mk7JAuWA1hQdDQN/Ekm/SchX80VzLhjKN9ETYrIepBFAd8PkOdOTK2nKt0FCkmMZKBJvQ1dV1gIxPu/A==",
             "dev": true
         },
         "typescript-eslint-parser": {

package.json

@@ -5014,7 +5014,7 @@
         "sass-loader": "7.1.0",
         "terser-webpack-plugin": "1.2.3",
         "ts-loader": "5.3.3",
-        "typescript": "3.4.1",
+        "typescript": "3.4.2",
         "vsce": "1.59.0",
         "vscode": "1.1.33",
         "webpack": "4.29.6",