bump tsutils version requirement

Author: ajafff

package.json

@@ -36,7 +36,7 @@
   "dependencies": {
     "@fimbul/bifrost": "^0.15.0",
     "tslib": "^1.7.1",
-    "tsutils": "^2.27.0"
+    "tsutils": "^2.27.2"
   },
   "devDependencies": {
     "@fimbul/valtyr": "^0.15.0",

yarn.lock

@@ -2602,7 +2602,7 @@ tslint@^5.0.0, tslint@^5.8.0:
     tslib "^1.8.0"
     tsutils "^2.27.2"
 
-tsutils@^2.27.0, tsutils@^2.27.2:
+tsutils@^2.27.2:
   version "2.29.0"
   resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-2.29.0.tgz#32b488501467acbedd4b85498673a0812aca0b99"
   integrity sha512-g5JVHCIJwzfISaXpXE1qvNalca5Jwob6FjI4AoPlqMusJ6ftFE7IkkFoMhVLRgK+4Kx3gkzb8UZK5t5yTTvEmA==