chore(deps): update dependency jest to v26

Author: renovate-bot

package.json

@@ -28,7 +28,7 @@
     "@types/ramda": "0.25.47",
     "concurrently": "4.1.0",
     "gts": "0.9.0",
-    "jest": "^24.1.0",
+    "jest": "26.6.3",
     "nodemon": "1.18.9",
     "ts-jest": "^24.0.0",
     "ts-node": "8.0.2",