Bump tsutils from 2.27.2 to 3.17.1

Bumps [tsutils](https://github.com/ajafff/tsutils) from 2.27.2 to 3.17.1.
- [Release notes](https://github.com/ajafff/tsutils/releases)
- [Changelog](https://github.com/ajafff/tsutils/blob/master/CHANGELOG.md)
- [Commits](ajafff/tsutils@v2.27.2...v3.17.1)

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

package.json

@@ -55,7 +55,7 @@
     "ts-node": "^5.0.1",
     "tsickle": "0.33.1",
     "tslint": "^5.9.1",
-    "tsutils": "2.27.2",
+    "tsutils": "3.17.1",
     "typescript": "~3.1.6"
   }
 }

yarn.lock

@@ -2434,6 +2434,13 @@ tsutils@2.27.2:
   dependencies:
     tslib "^1.8.1"
 
+tsutils@3.17.1:
+  version "3.17.1"
+  resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-3.17.1.tgz#ed719917f11ca0dee586272b2ac49e015a2dd759"
+  integrity sha512-kzeQ5B8H3w60nFY2g8cJIuH7JDpsALXySGtwGJ0p2LSjLgay3NdIpqq5SoOBe46bKDW2iq25irHCr8wjomUS2g==
+  dependencies:
+    tslib "^1.8.1"
+
 tsutils@^2.29.0:
   version "2.29.0"
   resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-2.29.0.tgz#32b488501467acbedd4b85498673a0812aca0b99"