chore: fix build by moving jest version downward

package.json

@@ -43,7 +43,7 @@
     "enzyme-adapter-react-16": "^1.15.6",
     "husky": "^6.0.0",
     "is-ci": "^3.0.0",
-    "jest": "^27.0.6",
+    "jest": "26.6.0",
     "jest-enzyme": "^7.1.2",
     "jest-react-hooks-shallow": "^1.5.1",
     "jest-styled-components": "^7.0.4",
@@ -58,7 +58,7 @@
     "stylelint-config-standard": "^22.0.0",
     "stylelint-config-styled-components": "^0.1.1",
     "stylelint-prettier": "^1.2.0",
-    "ts-jest": "^27.0.3",
+    "ts-jest": "^26.0.0",
     "typescript": "^4.3.4"
   },
   "resolutions": {