build(deps-dev): bump jest from 26.6.3 to 27.0.1 (#500)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Felix Böhm <188768+fb55@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -36,9 +36,9 @@
         "eslint": "^7.0.0",
         "eslint-config-prettier": "^8.1.0",
         "eslint-plugin-node": "^11.1.0",
-        "jest": "^26.0.1",
+        "jest": "^27.0.1",
         "prettier": "^2.0.5",
-        "ts-jest": "^26.0.0",
+        "ts-jest": "^27.0.1",
         "typescript": "^4.0.2"
     },
     "optionalDependencies": {},
@@ -47,8 +47,7 @@
     },
     "license": "BSD-2-Clause",
     "jest": {
-        "preset": "ts-jest",
-        "testEnvironment": "node"
+        "preset": "ts-jest"
     },
     "prettier": {
         "tabWidth": 4