build(deps-dev): Bump ts-jest from 26.3.0 to 26.4.4

Bumps [ts-jest](https://github.com/kulshekhar/ts-jest) from 26.3.0 to 26.4.4.
- [Release notes](https://github.com/kulshekhar/ts-jest/releases)
- [Changelog](https://github.com/kulshekhar/ts-jest/blob/master/CHANGELOG.md)
- [Commits](kulshekhar/ts-jest@v26.3.0...v26.4.4)

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

package.json

@@ -189,7 +189,7 @@
     "testcafe-browser-provider-browserstack": "^1.13.1",
     "testcafe-reporter-xunit": "^2.1.0",
     "theo": "^8.1.5",
-    "ts-jest": "^26.3.0",
+    "ts-jest": "^26.4.4",
     "ts-node": "^9.0.0",
     "tsickle": "^0.39.1",
     "tslib": "^2.0.0",