chore(deps): update dependency @sourcegraph/tslint-config to ^13.4.0

Author: renovate-bot

package.json

@@ -104,7 +104,7 @@
     "@commitlint/config-conventional": "^8.0.0",
     "@sourcegraph/prettierrc": "^2.2.0",
     "@sourcegraph/tsconfig": "^4.0.0",
-    "@sourcegraph/tslint-config": "^13.3.0",
+    "@sourcegraph/tslint-config": "^13.4.0",
     "@types/expect": "1.20.4",
     "@types/lodash": "4.14.135",
     "@types/mocha": "5.2.7",

yarn.lock

@@ -946,10 +946,10 @@
   resolved "https://registry.yarnpkg.com/@sourcegraph/tsconfig/-/tsconfig-4.0.0.tgz#dd2a406f90760bb789fd89fde4bd0a8d681f2767"
   integrity sha512-jxrhKbek4yu1HUDpUhqR9hAGFiUgaJ9NIM+c8JEkAnvpW67ab1AUFWb82aSVfZWX1UVqfR84AMr7xP3E8LlL+A==
 
-"@sourcegraph/tslint-config@^13.3.0":
-  version "13.3.0"
-  resolved "https://registry.yarnpkg.com/@sourcegraph/tslint-config/-/tslint-config-13.3.0.tgz#b8bcd95352cdcd523da16e6fb81dbeb27fa27c51"
-  integrity sha512-IVq6kJGvRLZWGIkCjvAfqCGILdj9shfo/hNzV4w0fPF3DOZRIKzrdaTNfH9rS+enplcWVLQUbnxMFLqJXiYAcA==
+"@sourcegraph/tslint-config@^13.4.0":
+  version "13.4.0"
+  resolved "https://registry.yarnpkg.com/@sourcegraph/tslint-config/-/tslint-config-13.4.0.tgz#946f82eb464d66190caf6d9dc5e9e473e2de2fe9"
+  integrity sha512-Uci+0uZ/6ztsBA4m9nYVNsdbCtcphJatU7xi8a4aLtdqVyceSgl8HicUbesKYUmriBUbcX+XTZB0LJxXYD2fRA==
   dependencies:
     rxjs-tslint-rules "^4.23.0"
     tslint-config-prettier "^1.18.0"