Bump ts-jest from 26.5.3 to 26.5.5

Bumps [ts-jest](https://github.com/kulshekhar/ts-jest) from 26.5.3 to 26.5.5.
- [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/v26.5.3...v26.5.5)

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

package.json

@@ -33,7 +33,7 @@
     "jest-junit": "^12.0.0",
     "request": "^2.88.2",
     "requestretry": "^5.0.0",
-    "ts-jest": "^26.5.3",
+    "ts-jest": "^26.5.5",
     "typescript": "^4.2.4",
     "yarn": "^1.22.10"
   },