Bump ts-jest from 26.4.0 to 26.4.1

Bumps [ts-jest](https://github.com/kulshekhar/ts-jest) from 26.4.0 to 26.4.1.
- [Release notes](https://github.com/kulshekhar/ts-jest/releases)
- [Changelog](https://github.com/kulshekhar/ts-jest/blob/master/CHANGELOG.md)
- [Commits](kulshekhar/ts-jest@v26.4.0...v26.4.1)

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

Author: dependabot-preview[bot]

package.json

@@ -42,7 +42,7 @@
     "prettier": "^2.1.2",
     "rollup": "^2.28.2",
     "rollup-plugin-typescript2": "^0.27.3",
-    "ts-jest": "^26.4.0",
+    "ts-jest": "^26.4.1",
     "typescript": "^4.0.3",
     "vscode-languageserver-protocol": "^3.15.3",
     "vscode-languageserver-types": "^3.15.1"

yarn.lock

@@ -4235,10 +4235,10 @@ tree-kill@^1.2.2:
   resolved "https://registry.yarnpkg.com/tree-kill/-/tree-kill-1.2.2.tgz#4ca09a9092c88b73a7cdc5e8a01b507b0790a0cc"
   integrity sha512-L0Orpi8qGpRG//Nd+H90vFB+3iHnue1zSSGmNOOCh1GLJ7rUKVwV2HvijphGQS2UmhUZewS9VgvxYIdgr+fG1A==
 
-ts-jest@^26.4.0:
-  version "26.4.0"
-  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-26.4.0.tgz#903c7827f3d3bc33efc2f91be294b164400c32e3"
-  integrity sha512-ofBzoCqf6Nv/PoWb/ByV3VNKy2KJSikamOBxvR3E6eVdIw10GwAXoyvMWXXjZJK2s6S27ZE8fI+JBTnGaovl6Q==
+ts-jest@^26.4.1:
+  version "26.4.1"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-26.4.1.tgz#08ec0d3fc2c3a39e4a46eae5610b69fafa6babd0"
+  integrity sha512-F4aFq01aS6mnAAa0DljNmKr/Kk9y4HVZ1m6/rtJ0ED56cuxINGq3Q9eVAh+z5vcYKe5qnTMvv90vE8vUMFxomg==
   dependencies:
     "@types/jest" "26.x"
     bs-logger "0.x"