Update dependency ts-jest to v26.5.2

Author: renovate-bot

package-lock.json

@@ -7,7 +7,7 @@
  "chromedriver": "87.0.7",
  "jest": "26.6.3",
  "selenium-webdriver": "4.0.0-beta.1",
- "ts-jest": "26.5.1",
+ "ts-jest": "26.5.2",
  "typescript": "4.1.5",
  "webdriver-manager": "12.1.8"
  },