chore(deps): update dependency ts-jest to v26.5.2

Author: renovate-bot

package-lock.json

@@ -43,7 +43,7 @@
     "rxjs": "6.6.3",
     "rxjs-compat": "6.6.3",
     "supertest": "6.1.3",
-    "ts-jest": "26.5.1",
+    "ts-jest": "26.5.2",
     "ts-node": "9.1.1",
     "typescript": "4.1.5"
   },