fix: upgrade ts-jest from 26.5.1 to 26.5.2 (#316)

Snyk has created this PR to upgrade ts-jest from 26.5.1 to 26.5.2.

See this package in npm:
https://www.npmjs.com/package/ts-jest

See this project in Snyk:
https://app.snyk.io/org/lukemnet/project/7864f1f6-7ebc-4c73-98b0-a7c95a78361f?utm_source=github&utm_medium=upgrade-pr

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

package.json

@@ -61,7 +61,7 @@
     "npm-parallel": "2.0.1",
     "pino-pretty": "4.5.0",
     "rimraf": "3.0.2",
-    "ts-jest": "26.5.1",
+    "ts-jest": "26.5.2",
     "ts-mongoose": "0.0.24",
     "tsc-watch": "4.2.9",
     "typescript": "4.2.2"