Bump ts-jest from 26.4.3 to 26.4.4

Bumps [ts-jest](https://github.com/kulshekhar/ts-jest) from 26.4.3 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](https://github.com/kulshekhar/ts-jest/compare/v26.4.3...v26.4.4)

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

package.json

@@ -20,7 +20,7 @@
     "react": "^17.0.1",
     "react-calendar": "^3.2.0",
     "react-dom": "^17.0.1",
-    "ts-jest": "^26.4.3",
+    "ts-jest": "^26.4.4",
     "uuid": "^8.3.1"
   },
   "devDependencies": {