Bump ts-jest from 22.4.6 to 26.4.4

Bumps [ts-jest](https://github.com/kulshekhar/ts-jest) from 22.4.6 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@v22.4.6...v26.4.4)

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

Author: dependabot-preview[bot]

package.json

@@ -96,7 +96,7 @@
     "relay-compiler": "^10.0.1",
     "relay-runtime": "^10.0.1",
     "relay-test-utils-internal": "^10.0.1",
-    "ts-jest": "^22.0.1",
+    "ts-jest": "^26.4.4",
     "ts-node": "^8.10.2",
     "tslint": "^5.18.0",
     "tslint-config-prettier": "^1.18.0",