Update dependency ts-jest to v22.0.4

Author: renovate-bot

package.json

@@ -36,7 +36,7 @@
     "codecov": "3.0.0",
     "jest": "22.2.1",
     "standard": "10.0.3",
-    "ts-jest": "22.0.3",
+    "ts-jest": "22.0.4",
     "tslint": "5.9.1",
     "typescript": "2.7.1"
   },

yarn.lock

@@ -3680,9 +3680,9 @@ tryit@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/tryit/-/tryit-1.0.3.tgz#393be730a9446fd1ead6da59a014308f36c289cb"
 
-[email protected].3:
-  version "22.0.3"
-  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-22.0.3.tgz#4d30f42c1b26a78d438ad908f9b0bcb4b1e6e32b"
+[email protected].4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-22.0.4.tgz#be5e8d7d2cf3f3ef97d877a6a0562508c3f64515"
   dependencies:
     babel-core "^6.24.1"
     babel-plugin-istanbul "^4.1.4"